28286828480

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1118941}}^1$

素因数の和:1119037

約数の個数: 56

約数和(自身を含む): 68210704320

約数和(自身を除く): 39923875840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 395, 632, 790, 1264, 1580, 2528, 3160, 5056, 6320, 12640, 25280, 1118941, 2237882, 4475764, 5594705, 8951528, 11189410, 17903056, 22378820, 35806112, 44757640, 71612224, 88396339, 89515280, 176792678, 179030560, 353585356, 358061120, 441981695, 707170712, 883963390, 1414341424, 1767926780, 2828682848, 3535853560, 5657365696, 7071707120, 14143414240, 28286828480]

約数ペア:

[(1, 28286828480), (2, 14143414240), (4, 7071707120), (5, 5657365696), (8, 3535853560), (10, 2828682848), (16, 1767926780), (20, 1414341424), (32, 883963390), (40, 707170712), (64, 441981695), (79, 358061120), (80, 353585356), (158, 179030560), (160, 176792678), (316, 89515280), (320, 88396339), (395, 71612224), (632, 44757640), (790, 35806112), (1264, 22378820), (1580, 17903056), (2528, 11189410), (3160, 8951528), (5056, 5594705), (6320, 4475764), (12640, 2237882), (25280, 1118941)]