8142160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7829}}^1$

素因数の和:7855

約数の個数: 40

約数和(自身を含む): 20389320

約数和(自身を除く): 12247160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 7829, 15658, 31316, 39145, 62632, 78290, 101777, 125264, 156580, 203554, 313160, 407108, 508885, 626320, 814216, 1017770, 1628432, 2035540, 4071080, 8142160]

約数ペア:

[(1, 8142160), (2, 4071080), (4, 2035540), (5, 1628432), (8, 1017770), (10, 814216), (13, 626320), (16, 508885), (20, 407108), (26, 313160), (40, 203554), (52, 156580), (65, 125264), (80, 101777), (104, 78290), (130, 62632), (208, 39145), (260, 31316), (520, 15658), (1040, 7829)]