10891660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 48

約数和(自身を含む): 24879456

約数和(自身を除く): 13987796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 257, 260, 326, 514, 652, 815, 1028, 1285, 1630, 2119, 2570, 3260, 3341, 4238, 5140, 6682, 8476, 10595, 13364, 16705, 21190, 33410, 41891, 42380, 66820, 83782, 167564, 209455, 418910, 544583, 837820, 1089166, 2178332, 2722915, 5445830, 10891660]

約数ペア:

[(1, 10891660), (2, 5445830), (4, 2722915), (5, 2178332), (10, 1089166), (13, 837820), (20, 544583), (26, 418910), (52, 209455), (65, 167564), (130, 83782), (163, 66820), (257, 42380), (260, 41891), (326, 33410), (514, 21190), (652, 16705), (815, 13364), (1028, 10595), (1285, 8476), (1630, 6682), (2119, 5140), (2570, 4238), (3260, 3341)]