51169240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{313}}^1$

素因数の和:452

約数の個数: 64

約数和(自身を含む): 119144160

約数和(自身を除く): 67974920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 67, 122, 134, 244, 268, 305, 313, 335, 488, 536, 610, 626, 670, 1220, 1252, 1340, 1565, 2440, 2504, 2680, 3130, 4087, 6260, 8174, 12520, 16348, 19093, 20435, 20971, 32696, 38186, 40870, 41942, 76372, 81740, 83884, 95465, 104855, 152744, 163480, 167768, 190930, 209710, 381860, 419420, 763720, 838840, 1279231, 2558462, 5116924, 6396155, 10233848, 12792310, 25584620, 51169240]

約数ペア:

[(1, 51169240), (2, 25584620), (4, 12792310), (5, 10233848), (8, 6396155), (10, 5116924), (20, 2558462), (40, 1279231), (61, 838840), (67, 763720), (122, 419420), (134, 381860), (244, 209710), (268, 190930), (305, 167768), (313, 163480), (335, 152744), (488, 104855), (536, 95465), (610, 83884), (626, 81740), (670, 76372), (1220, 41942), (1252, 40870), (1340, 38186), (1565, 32696), (2440, 20971), (2504, 20435), (2680, 19093), (3130, 16348), (4087, 12520), (6260, 8174)]