55435640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6271}}^1$

素因数の和:6312

約数の個数: 64

約数和(自身を含む): 142248960

約数和(自身を除く): 86813320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 6271, 8840, 12542, 25084, 31355, 50168, 62710, 81523, 106607, 125420, 163046, 213214, 250840, 326092, 407615, 426428, 533035, 652184, 815230, 852856, 1066070, 1385891, 1630460, 2132140, 2771782, 3260920, 4264280, 5543564, 6929455, 11087128, 13858910, 27717820, 55435640]

約数ペア:

[(1, 55435640), (2, 27717820), (4, 13858910), (5, 11087128), (8, 6929455), (10, 5543564), (13, 4264280), (17, 3260920), (20, 2771782), (26, 2132140), (34, 1630460), (40, 1385891), (52, 1066070), (65, 852856), (68, 815230), (85, 652184), (104, 533035), (130, 426428), (136, 407615), (170, 326092), (221, 250840), (260, 213214), (340, 163046), (442, 125420), (520, 106607), (680, 81523), (884, 62710), (1105, 50168), (1768, 31355), (2210, 25084), (4420, 12542), (6271, 8840)]