55121690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{2539}}^1$

素因数の和:2726

約数の個数: 32

約数和(自身を含む): 107533440

約数和(自身を除く): 52411750

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 167, 334, 835, 1670, 2171, 2539, 4342, 5078, 10855, 12695, 21710, 25390, 33007, 66014, 165035, 330070, 424013, 848026, 2120065, 4240130, 5512169, 11024338, 27560845, 55121690]

約数ペア:

[(1, 55121690), (2, 27560845), (5, 11024338), (10, 5512169), (13, 4240130), (26, 2120065), (65, 848026), (130, 424013), (167, 330070), (334, 165035), (835, 66014), (1670, 33007), (2171, 25390), (2539, 21710), (4342, 12695), (5078, 10855)]