12577240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 32644080

約数和(自身を除く): 20066840

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 67, 76, 95, 104, 130, 134, 152, 190, 247, 260, 268, 335, 361, 380, 494, 520, 536, 670, 722, 760, 871, 988, 1235, 1273, 1340, 1444, 1742, 1805, 1976, 2470, 2546, 2680, 2888, 3484, 3610, 4355, 4693, 4940, 5092, 6365, 6968, 7220, 8710, 9386, 9880, 10184, 12730, 14440, 16549, 17420, 18772, 23465, 24187, 25460, 33098, 34840, 37544, 46930, 48374, 50920, 66196, 82745, 93860, 96748, 120935, 132392, 165490, 187720, 193496, 241870, 314431, 330980, 483740, 628862, 661960, 967480, 1257724, 1572155, 2515448, 3144310, 6288620, 12577240]

約数ペア:

[(1, 12577240), (2, 6288620), (4, 3144310), (5, 2515448), (8, 1572155), (10, 1257724), (13, 967480), (19, 661960), (20, 628862), (26, 483740), (38, 330980), (40, 314431), (52, 241870), (65, 193496), (67, 187720), (76, 165490), (95, 132392), (104, 120935), (130, 96748), (134, 93860), (152, 82745), (190, 66196), (247, 50920), (260, 48374), (268, 46930), (335, 37544), (361, 34840), (380, 33098), (494, 25460), (520, 24187), (536, 23465), (670, 18772), (722, 17420), (760, 16549), (871, 14440), (988, 12730), (1235, 10184), (1273, 9880), (1340, 9386), (1444, 8710), (1742, 7220), (1805, 6968), (1976, 6365), (2470, 5092), (2546, 4940), (2680, 4693), (2888, 4355), (3484, 3610)]