15942940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3607}}^1$

素因数の和:3646

約数の個数: 48

約数和(自身を含む): 38187072

約数和(自身を除く): 22244132

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 3607, 4420, 7214, 14428, 18035, 36070, 46891, 61319, 72140, 93782, 122638, 187564, 234455, 245276, 306595, 468910, 613190, 797147, 937820, 1226380, 1594294, 3188588, 3985735, 7971470, 15942940]

約数ペア:

[(1, 15942940), (2, 7971470), (4, 3985735), (5, 3188588), (10, 1594294), (13, 1226380), (17, 937820), (20, 797147), (26, 613190), (34, 468910), (52, 306595), (65, 245276), (68, 234455), (85, 187564), (130, 122638), (170, 93782), (221, 72140), (260, 61319), (340, 46891), (442, 36070), (884, 18035), (1105, 14428), (2210, 7214), (3607, 4420)]