68920400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{4007}}^1$

素因数の和:4068

約数の個数: 60

約数和(自身を含む): 169474272

約数和(自身を除く): 100553872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1720, 2150, 3440, 4007, 4300, 8014, 8600, 16028, 17200, 20035, 32056, 40070, 64112, 80140, 100175, 160280, 172301, 200350, 320560, 344602, 400700, 689204, 801400, 861505, 1378408, 1602800, 1723010, 2756816, 3446020, 4307525, 6892040, 8615050, 13784080, 17230100, 34460200, 68920400]

約数ペア:

[(1, 68920400), (2, 34460200), (4, 17230100), (5, 13784080), (8, 8615050), (10, 6892040), (16, 4307525), (20, 3446020), (25, 2756816), (40, 1723010), (43, 1602800), (50, 1378408), (80, 861505), (86, 801400), (100, 689204), (172, 400700), (200, 344602), (215, 320560), (344, 200350), (400, 172301), (430, 160280), (688, 100175), (860, 80140), (1075, 64112), (1720, 40070), (2150, 32056), (3440, 20035), (4007, 17200), (4300, 16028), (8014, 8600)]