23980840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:562

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 34805720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 431, 520, 535, 856, 862, 1070, 1391, 1724, 2140, 2155, 2782, 3448, 4280, 4310, 5564, 5603, 6955, 8620, 11128, 11206, 13910, 17240, 22412, 27820, 28015, 44824, 46117, 55640, 56030, 92234, 112060, 184468, 224120, 230585, 368936, 461170, 599521, 922340, 1199042, 1844680, 2398084, 2997605, 4796168, 5995210, 11990420, 23980840]

約数ペア:

[(1, 23980840), (2, 11990420), (4, 5995210), (5, 4796168), (8, 2997605), (10, 2398084), (13, 1844680), (20, 1199042), (26, 922340), (40, 599521), (52, 461170), (65, 368936), (104, 230585), (107, 224120), (130, 184468), (214, 112060), (260, 92234), (428, 56030), (431, 55640), (520, 46117), (535, 44824), (856, 28015), (862, 27820), (1070, 22412), (1391, 17240), (1724, 13910), (2140, 11206), (2155, 11128), (2782, 8620), (3448, 6955), (4280, 5603), (4310, 5564)]