12708740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 29623104

約数和(自身を除く): 16914364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 947, 1220, 1342, 1894, 2684, 3355, 3788, 4735, 6710, 9470, 10417, 13420, 18940, 20834, 41668, 52085, 57767, 104170, 115534, 208340, 231068, 288835, 577670, 635437, 1155340, 1270874, 2541748, 3177185, 6354370, 12708740]

約数ペア:

[(1, 12708740), (2, 6354370), (4, 3177185), (5, 2541748), (10, 1270874), (11, 1155340), (20, 635437), (22, 577670), (44, 288835), (55, 231068), (61, 208340), (110, 115534), (122, 104170), (220, 57767), (244, 52085), (305, 41668), (610, 20834), (671, 18940), (947, 13420), (1220, 10417), (1342, 9470), (1894, 6710), (2684, 4735), (3355, 3788)]