68982940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15607}}^1$

素因数の和:15646

約数の個数: 48

約数和(自身を含む): 165195072

約数和(自身を除く): 96212132

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, 4420, 15607, 31214, 62428, 78035, 156070, 202891, 265319, 312140, 405782, 530638, 811564, 1014455, 1061276, 1326595, 2028910, 2653190, 3449147, 4057820, 5306380, 6898294, 13796588, 17245735, 34491470, 68982940]

約数ペア:

[(1, 68982940), (2, 34491470), (4, 17245735), (5, 13796588), (10, 6898294), (13, 5306380), (17, 4057820), (20, 3449147), (26, 2653190), (34, 2028910), (52, 1326595), (65, 1061276), (68, 1014455), (85, 811564), (130, 530638), (170, 405782), (221, 312140), (260, 265319), (340, 202891), (442, 156070), (884, 78035), (1105, 62428), (2210, 31214), (4420, 15607)]