15963440

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{521}}^1$

素因数の和:917

約数の個数: 40

約数和(自身を含む): 37283328

約数和(自身を除く): 21319888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 521, 766, 1042, 1532, 1915, 2084, 2605, 3064, 3830, 4168, 5210, 6128, 7660, 8336, 10420, 15320, 20840, 30640, 41680, 199543, 399086, 798172, 997715, 1596344, 1995430, 3192688, 3990860, 7981720, 15963440]

約数ペア:

[(1, 15963440), (2, 7981720), (4, 3990860), (5, 3192688), (8, 1995430), (10, 1596344), (16, 997715), (20, 798172), (40, 399086), (80, 199543), (383, 41680), (521, 30640), (766, 20840), (1042, 15320), (1532, 10420), (1915, 8336), (2084, 7660), (2605, 6128), (3064, 5210), (3830, 4168)]