102790960

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18097}}^1$

素因数の和:18181

約数の個数: 40

約数和(自身を含む): 242368416

約数和(自身を除く): 139577456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 18097, 36194, 72388, 90485, 144776, 180970, 289552, 361940, 723880, 1284887, 1447760, 2569774, 5139548, 6424435, 10279096, 12848870, 20558192, 25697740, 51395480, 102790960]

約数ペア:

[(1, 102790960), (2, 51395480), (4, 25697740), (5, 20558192), (8, 12848870), (10, 10279096), (16, 6424435), (20, 5139548), (40, 2569774), (71, 1447760), (80, 1284887), (142, 723880), (284, 361940), (355, 289552), (568, 180970), (710, 144776), (1136, 90485), (1420, 72388), (2840, 36194), (5680, 18097)]