31777640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16903}}^1$

素因数の和:16961

約数の個数: 32

約数和(自身を含む): 73025280

約数和(自身を除く): 41247640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 16903, 33806, 67612, 84515, 135224, 169030, 338060, 676120, 794441, 1588882, 3177764, 3972205, 6355528, 7944410, 15888820, 31777640]

約数ペア:

[(1, 31777640), (2, 15888820), (4, 7944410), (5, 6355528), (8, 3972205), (10, 3177764), (20, 1588882), (40, 794441), (47, 676120), (94, 338060), (188, 169030), (235, 135224), (376, 84515), (470, 67612), (940, 33806), (1880, 16903)]