27717820

素因数分解:

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

素因数の和:6310

約数の個数: 48

約数和(自身を含む): 66382848

約数和(自身を除く): 38665028

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, 6271, 12542, 25084, 31355, 62710, 81523, 106607, 125420, 163046, 213214, 326092, 407615, 426428, 533035, 815230, 1066070, 1385891, 1630460, 2132140, 2771782, 5543564, 6929455, 13858910, 27717820]

約数ペア:

[(1, 27717820), (2, 13858910), (4, 6929455), (5, 5543564), (10, 2771782), (13, 2132140), (17, 1630460), (20, 1385891), (26, 1066070), (34, 815230), (52, 533035), (65, 426428), (68, 407615), (85, 326092), (130, 213214), (170, 163046), (221, 125420), (260, 106607), (340, 81523), (442, 62710), (884, 31355), (1105, 25084), (2210, 12542), (4420, 6271)]