655224440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1260047}}^1$

素因数の和:1260071

約数の個数: 32

約数和(自身を含む): 1587660480

約数和(自身を除く): 932436040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1260047, 2520094, 5040188, 6300235, 10080376, 12600470, 16380611, 25200940, 32761222, 50401880, 65522444, 81903055, 131044888, 163806110, 327612220, 655224440]

約数ペア:

[(1, 655224440), (2, 327612220), (4, 163806110), (5, 131044888), (8, 81903055), (10, 65522444), (13, 50401880), (20, 32761222), (26, 25200940), (40, 16380611), (52, 12600470), (65, 10080376), (104, 6300235), (130, 5040188), (260, 2520094), (520, 1260047)]