12300800

素因数分解:

$2^9\times 5^2\times {\mathrm{31}}^2$

素因数の和:90

約数の個数: 90

約数和(自身を含む): 31491009

約数和(自身を除く): 19190209

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 961, 992, 1240, 1280, 1550, 1600, 1922, 1984, 2480, 2560, 3100, 3200, 3844, 3968, 4805, 4960, 6200, 6400, 7688, 7936, 9610, 9920, 12400, 12800, 15376, 15872, 19220, 19840, 24025, 24800, 30752, 38440, 39680, 48050, 49600, 61504, 76880, 79360, 96100, 99200, 123008, 153760, 192200, 198400, 246016, 307520, 384400, 396800, 492032, 615040, 768800, 1230080, 1537600, 2460160, 3075200, 6150400, 12300800]

約数ペア:

[(1, 12300800), (2, 6150400), (4, 3075200), (5, 2460160), (8, 1537600), (10, 1230080), (16, 768800), (20, 615040), (25, 492032), (31, 396800), (32, 384400), (40, 307520), (50, 246016), (62, 198400), (64, 192200), (80, 153760), (100, 123008), (124, 99200), (128, 96100), (155, 79360), (160, 76880), (200, 61504), (248, 49600), (256, 48050), (310, 39680), (320, 38440), (400, 30752), (496, 24800), (512, 24025), (620, 19840), (640, 19220), (775, 15872), (800, 15376), (961, 12800), (992, 12400), (1240, 9920), (1280, 9610), (1550, 7936), (1600, 7688), (1922, 6400), (1984, 6200), (2480, 4960), (2560, 4805), (3100, 3968), (3200, 3844)]