65720710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{2609}}^1$

素因数の和:2856

約数の個数: 32

約数和(自身を含む): 129664800

約数和(自身を除く): 63944090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 229, 458, 1145, 2290, 2519, 2609, 5038, 5218, 12595, 13045, 25190, 26090, 28699, 57398, 143495, 286990, 597461, 1194922, 2987305, 5974610, 6572071, 13144142, 32860355, 65720710]

約数ペア:

[(1, 65720710), (2, 32860355), (5, 13144142), (10, 6572071), (11, 5974610), (22, 2987305), (55, 1194922), (110, 597461), (229, 286990), (458, 143495), (1145, 57398), (2290, 28699), (2519, 26090), (2609, 25190), (5038, 13045), (5218, 12595)]