168104560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161639}}^1$

素因数の和:161665

約数の個数: 40

約数和(自身を含む): 420910560

約数和(自身を除く): 252806000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 161639, 323278, 646556, 808195, 1293112, 1616390, 2101307, 2586224, 3232780, 4202614, 6465560, 8405228, 10506535, 12931120, 16810456, 21013070, 33620912, 42026140, 84052280, 168104560]

約数ペア:

[(1, 168104560), (2, 84052280), (4, 42026140), (5, 33620912), (8, 21013070), (10, 16810456), (13, 12931120), (16, 10506535), (20, 8405228), (26, 6465560), (40, 4202614), (52, 3232780), (65, 2586224), (80, 2101307), (104, 1616390), (130, 1293112), (208, 808195), (260, 646556), (520, 323278), (1040, 161639)]