111931640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 260457120

約数和(自身を除く): 148525480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 131, 164, 205, 262, 328, 410, 521, 524, 655, 820, 1042, 1048, 1310, 1640, 2084, 2605, 2620, 4168, 5210, 5240, 5371, 10420, 10742, 20840, 21361, 21484, 26855, 42722, 42968, 53710, 68251, 85444, 106805, 107420, 136502, 170888, 213610, 214840, 273004, 341255, 427220, 546008, 682510, 854440, 1365020, 2730040, 2798291, 5596582, 11193164, 13991455, 22386328, 27982910, 55965820, 111931640]

約数ペア:

[(1, 111931640), (2, 55965820), (4, 27982910), (5, 22386328), (8, 13991455), (10, 11193164), (20, 5596582), (40, 2798291), (41, 2730040), (82, 1365020), (131, 854440), (164, 682510), (205, 546008), (262, 427220), (328, 341255), (410, 273004), (521, 214840), (524, 213610), (655, 170888), (820, 136502), (1042, 107420), (1048, 106805), (1310, 85444), (1640, 68251), (2084, 53710), (2605, 42968), (2620, 42722), (4168, 26855), (5210, 21484), (5240, 21361), (5371, 20840), (10420, 10742)]