12401996800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{239}}^1\times {\mathrm{2027}}^1$

素因数の和:2296

約数の個数: 132

約数和(自身を含む): 30885791040

約数和(自身を除く): 18483794240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 239, 256, 320, 400, 478, 512, 640, 800, 956, 1024, 1195, 1280, 1600, 1912, 2027, 2390, 2560, 3200, 3824, 4054, 4780, 5120, 5975, 6400, 7648, 8108, 9560, 10135, 11950, 12800, 15296, 16216, 19120, 20270, 23900, 25600, 30592, 32432, 38240, 40540, 47800, 50675, 61184, 64864, 76480, 81080, 95600, 101350, 122368, 129728, 152960, 162160, 191200, 202700, 244736, 259456, 305920, 324320, 382400, 405400, 484453, 518912, 611840, 648640, 764800, 810800, 968906, 1037824, 1223680, 1297280, 1529600, 1621600, 1937812, 2075648, 2422265, 2594560, 3059200, 3243200, 3875624, 4844530, 5189120, 6118400, 6486400, 7751248, 9689060, 10378240, 12111325, 12972800, 15502496, 19378120, 24222650, 25945600, 31004992, 38756240, 48445300, 51891200, 62009984, 77512480, 96890600, 124019968, 155024960, 193781200, 248039936, 310049920, 387562400, 496079872, 620099840, 775124800, 1240199680, 1550249600, 2480399360, 3100499200, 6200998400, 12401996800]

約数ペア:

[(1, 12401996800), (2, 6200998400), (4, 3100499200), (5, 2480399360), (8, 1550249600), (10, 1240199680), (16, 775124800), (20, 620099840), (25, 496079872), (32, 387562400), (40, 310049920), (50, 248039936), (64, 193781200), (80, 155024960), (100, 124019968), (128, 96890600), (160, 77512480), (200, 62009984), (239, 51891200), (256, 48445300), (320, 38756240), (400, 31004992), (478, 25945600), (512, 24222650), (640, 19378120), (800, 15502496), (956, 12972800), (1024, 12111325), (1195, 10378240), (1280, 9689060), (1600, 7751248), (1912, 6486400), (2027, 6118400), (2390, 5189120), (2560, 4844530), (3200, 3875624), (3824, 3243200), (4054, 3059200), (4780, 2594560), (5120, 2422265), (5975, 2075648), (6400, 1937812), (7648, 1621600), (8108, 1529600), (9560, 1297280), (10135, 1223680), (11950, 1037824), (12800, 968906), (15296, 810800), (16216, 764800), (19120, 648640), (20270, 611840), (23900, 518912), (25600, 484453), (30592, 405400), (32432, 382400), (38240, 324320), (40540, 305920), (47800, 259456), (50675, 244736), (61184, 202700), (64864, 191200), (76480, 162160), (81080, 152960), (95600, 129728), (101350, 122368)]