11718620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 26078976

約数和(自身を除く): 14360356

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 461, 620, 820, 922, 1271, 1844, 2305, 2542, 4610, 5084, 6355, 9220, 12710, 14291, 18901, 25420, 28582, 37802, 57164, 71455, 75604, 94505, 142910, 189010, 285820, 378020, 585931, 1171862, 2343724, 2929655, 5859310, 11718620]

約数ペア:

[(1, 11718620), (2, 5859310), (4, 2929655), (5, 2343724), (10, 1171862), (20, 585931), (31, 378020), (41, 285820), (62, 189010), (82, 142910), (124, 94505), (155, 75604), (164, 71455), (205, 57164), (310, 37802), (410, 28582), (461, 25420), (620, 18901), (820, 14291), (922, 12710), (1271, 9220), (1844, 6355), (2305, 5084), (2542, 4610)]