82411640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1704

約数の個数: 64

約数和(自身を含む): 196197120

約数和(自身を除く): 113785480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 410, 620, 820, 1240, 1271, 1621, 1640, 2542, 3242, 5084, 6355, 6484, 8105, 10168, 12710, 12968, 16210, 25420, 32420, 50251, 50840, 64840, 66461, 100502, 132922, 201004, 251255, 265844, 332305, 402008, 502510, 531688, 664610, 1005020, 1329220, 2010040, 2060291, 2658440, 4120582, 8241164, 10301455, 16482328, 20602910, 41205820, 82411640]

約数ペア:

[(1, 82411640), (2, 41205820), (4, 20602910), (5, 16482328), (8, 10301455), (10, 8241164), (20, 4120582), (31, 2658440), (40, 2060291), (41, 2010040), (62, 1329220), (82, 1005020), (124, 664610), (155, 531688), (164, 502510), (205, 402008), (248, 332305), (310, 265844), (328, 251255), (410, 201004), (620, 132922), (820, 100502), (1240, 66461), (1271, 64840), (1621, 50840), (1640, 50251), (2542, 32420), (3242, 25420), (5084, 16210), (6355, 12968), (6484, 12710), (8105, 10168)]