220179440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211711}}^1$

素因数の和:211737

約数の個数: 40

約数和(自身を含む): 551298048

約数和(自身を除く): 331118608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 211711, 423422, 846844, 1058555, 1693688, 2117110, 2752243, 3387376, 4234220, 5504486, 8468440, 11008972, 13761215, 16936880, 22017944, 27522430, 44035888, 55044860, 110089720, 220179440]

約数ペア:

[(1, 220179440), (2, 110089720), (4, 55044860), (5, 44035888), (8, 27522430), (10, 22017944), (13, 16936880), (16, 13761215), (20, 11008972), (26, 8468440), (40, 5504486), (52, 4234220), (65, 3387376), (80, 2752243), (104, 2117110), (130, 1693688), (208, 1058555), (260, 846844), (520, 423422), (1040, 211711)]