12704120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2256

約数の個数: 64

約数和(自身を含む): 33596640

約数和(自身を除く): 20892520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2221, 2860, 4442, 5720, 8884, 11105, 17768, 22210, 24431, 28873, 44420, 48862, 57746, 88840, 97724, 115492, 122155, 144365, 195448, 230984, 244310, 288730, 317603, 488620, 577460, 635206, 977240, 1154920, 1270412, 1588015, 2540824, 3176030, 6352060, 12704120]

約数ペア:

[(1, 12704120), (2, 6352060), (4, 3176030), (5, 2540824), (8, 1588015), (10, 1270412), (11, 1154920), (13, 977240), (20, 635206), (22, 577460), (26, 488620), (40, 317603), (44, 288730), (52, 244310), (55, 230984), (65, 195448), (88, 144365), (104, 122155), (110, 115492), (130, 97724), (143, 88840), (220, 57746), (260, 48862), (286, 44420), (440, 28873), (520, 24431), (572, 22210), (715, 17768), (1144, 11105), (1430, 8884), (2221, 5720), (2860, 4442)]