422091280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{405857}}^1$

素因数の和:405883

約数の個数: 40

約数和(自身を含む): 1056854232

約数和(自身を除く): 634762952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 405857, 811714, 1623428, 2029285, 3246856, 4058570, 5276141, 6493712, 8117140, 10552282, 16234280, 21104564, 26380705, 32468560, 42209128, 52761410, 84418256, 105522820, 211045640, 422091280]

約数ペア:

[(1, 422091280), (2, 211045640), (4, 105522820), (5, 84418256), (8, 52761410), (10, 42209128), (13, 32468560), (16, 26380705), (20, 21104564), (26, 16234280), (40, 10552282), (52, 8117140), (65, 6493712), (80, 5276141), (104, 4058570), (130, 3246856), (208, 2029285), (260, 1623428), (520, 811714), (1040, 405857)]