12961420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1483}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 29917440

約数和(自身を除く): 16956020

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1483, 1748, 2185, 2966, 4370, 5932, 7415, 8740, 14830, 28177, 29660, 34109, 56354, 68218, 112708, 136436, 140885, 170545, 281770, 341090, 563540, 648071, 682180, 1296142, 2592284, 3240355, 6480710, 12961420]

約数ペア:

[(1, 12961420), (2, 6480710), (4, 3240355), (5, 2592284), (10, 1296142), (19, 682180), (20, 648071), (23, 563540), (38, 341090), (46, 281770), (76, 170545), (92, 140885), (95, 136436), (115, 112708), (190, 68218), (230, 56354), (380, 34109), (437, 29660), (460, 28177), (874, 14830), (1483, 8740), (1748, 7415), (2185, 5932), (2966, 4370)]