64328120

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20357}}^1$

素因数の和:20447

約数の個数: 32

約数和(自身を含む): 146577600

約数和(自身を除く): 82249480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 20357, 40714, 81428, 101785, 162856, 203570, 407140, 814280, 1608203, 3216406, 6432812, 8041015, 12865624, 16082030, 32164060, 64328120]

約数ペア:

[(1, 64328120), (2, 32164060), (4, 16082030), (5, 12865624), (8, 8041015), (10, 6432812), (20, 3216406), (40, 1608203), (79, 814280), (158, 407140), (316, 203570), (395, 162856), (632, 101785), (790, 81428), (1580, 40714), (3160, 20357)]