31801485560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61156703}}^1$

素因数の和:61156727

約数の個数: 32

約数和(自身を含む): 77057447040

約数和(自身を除く): 45255961480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61156703, 122313406, 244626812, 305783515, 489253624, 611567030, 795037139, 1223134060, 1590074278, 2446268120, 3180148556, 3975185695, 6360297112, 7950371390, 15900742780, 31801485560]

約数ペア:

[(1, 31801485560), (2, 15900742780), (4, 7950371390), (5, 6360297112), (8, 3975185695), (10, 3180148556), (13, 2446268120), (20, 1590074278), (26, 1223134060), (40, 795037139), (52, 611567030), (65, 489253624), (104, 305783515), (130, 244626812), (260, 122313406), (520, 61156703)]