28193236480

素因数分解:

$2^9\times 5^1\times {\mathrm{991}}^1\times {\mathrm{11113}}^1$

素因数の和:12127

約数の個数: 80

約数和(自身を含む): 67671990144

約数和(自身を除く): 39478753664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 991, 1280, 1982, 2560, 3964, 4955, 7928, 9910, 11113, 15856, 19820, 22226, 31712, 39640, 44452, 55565, 63424, 79280, 88904, 111130, 126848, 158560, 177808, 222260, 253696, 317120, 355616, 444520, 507392, 634240, 711232, 889040, 1268480, 1422464, 1778080, 2536960, 2844928, 3556160, 5689856, 7112320, 11012983, 14224640, 22025966, 28449280, 44051932, 55064915, 88103864, 110129830, 176207728, 220259660, 352415456, 440519320, 704830912, 881038640, 1409661824, 1762077280, 2819323648, 3524154560, 5638647296, 7048309120, 14096618240, 28193236480]

約数ペア:

[(1, 28193236480), (2, 14096618240), (4, 7048309120), (5, 5638647296), (8, 3524154560), (10, 2819323648), (16, 1762077280), (20, 1409661824), (32, 881038640), (40, 704830912), (64, 440519320), (80, 352415456), (128, 220259660), (160, 176207728), (256, 110129830), (320, 88103864), (512, 55064915), (640, 44051932), (991, 28449280), (1280, 22025966), (1982, 14224640), (2560, 11012983), (3964, 7112320), (4955, 5689856), (7928, 3556160), (9910, 2844928), (11113, 2536960), (15856, 1778080), (19820, 1422464), (22226, 1268480), (31712, 889040), (39640, 711232), (44452, 634240), (55565, 507392), (63424, 444520), (79280, 355616), (88904, 317120), (111130, 253696), (126848, 222260), (158560, 177808)]