28410880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 88

約数和(自身を含む): 70744320

約数和(自身を除く): 42333440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 179, 248, 256, 310, 320, 358, 496, 512, 620, 640, 716, 895, 992, 1024, 1240, 1280, 1432, 1790, 1984, 2480, 2560, 2864, 3580, 3968, 4960, 5120, 5549, 5728, 7160, 7936, 9920, 11098, 11456, 14320, 15872, 19840, 22196, 22912, 27745, 28640, 31744, 39680, 44392, 45824, 55490, 57280, 79360, 88784, 91648, 110980, 114560, 158720, 177568, 183296, 221960, 229120, 355136, 443920, 458240, 710272, 887840, 916480, 1420544, 1775680, 2841088, 3551360, 5682176, 7102720, 14205440, 28410880]

約数ペア:

[(1, 28410880), (2, 14205440), (4, 7102720), (5, 5682176), (8, 3551360), (10, 2841088), (16, 1775680), (20, 1420544), (31, 916480), (32, 887840), (40, 710272), (62, 458240), (64, 443920), (80, 355136), (124, 229120), (128, 221960), (155, 183296), (160, 177568), (179, 158720), (248, 114560), (256, 110980), (310, 91648), (320, 88784), (358, 79360), (496, 57280), (512, 55490), (620, 45824), (640, 44392), (716, 39680), (895, 31744), (992, 28640), (1024, 27745), (1240, 22912), (1280, 22196), (1432, 19840), (1790, 15872), (1984, 14320), (2480, 11456), (2560, 11098), (2864, 9920), (3580, 7936), (3968, 7160), (4960, 5728), (5120, 5549)]