38915890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17609}}^1$

素因数の和:17646

約数の個数: 32

約数和(自身を含む): 79878960

約数和(自身を除く): 40963070

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 17609, 35218, 88045, 176090, 228917, 299353, 457834, 598706, 1144585, 1496765, 2289170, 2993530, 3891589, 7783178, 19457945, 38915890]

約数ペア:

[(1, 38915890), (2, 19457945), (5, 7783178), (10, 3891589), (13, 2993530), (17, 2289170), (26, 1496765), (34, 1144585), (65, 598706), (85, 457834), (130, 299353), (170, 228917), (221, 176090), (442, 88045), (1105, 35218), (2210, 17609)]