74156680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142609}}^1$

素因数の和:142633

約数の個数: 32

約数和(自身を含む): 179688600

約数和(自身を除く): 105531920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 142609, 285218, 570436, 713045, 1140872, 1426090, 1853917, 2852180, 3707834, 5704360, 7415668, 9269585, 14831336, 18539170, 37078340, 74156680]

約数ペア:

[(1, 74156680), (2, 37078340), (4, 18539170), (5, 14831336), (8, 9269585), (10, 7415668), (13, 5704360), (20, 3707834), (26, 2852180), (40, 1853917), (52, 1426090), (65, 1140872), (104, 713045), (130, 570436), (260, 285218), (520, 142609)]