339580040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{207061}}^1$

素因数の和:207113

約数の個数: 32

約数和(自身を含む): 782694360

約数和(自身を除く): 443114320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 207061, 414122, 828244, 1035305, 1656488, 2070610, 4141220, 8282440, 8489501, 16979002, 33958004, 42447505, 67916008, 84895010, 169790020, 339580040]

約数ペア:

[(1, 339580040), (2, 169790020), (4, 84895010), (5, 67916008), (8, 42447505), (10, 33958004), (20, 16979002), (40, 8489501), (41, 8282440), (82, 4141220), (164, 2070610), (205, 1656488), (328, 1035305), (410, 828244), (820, 414122), (1640, 207061)]