17958280

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5683}}^1$

素因数の和:5773

約数の個数: 32

約数和(自身を含む): 40924800

約数和(自身を除く): 22966520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 5683, 11366, 22732, 28415, 45464, 56830, 113660, 227320, 448957, 897914, 1795828, 2244785, 3591656, 4489570, 8979140, 17958280]

約数ペア:

[(1, 17958280), (2, 8979140), (4, 4489570), (5, 3591656), (8, 2244785), (10, 1795828), (20, 897914), (40, 448957), (79, 227320), (158, 113660), (316, 56830), (395, 45464), (632, 28415), (790, 22732), (1580, 11366), (3160, 5683)]