20171156560

素因数分解:

$2^4\times 5^1\times {\mathrm{1579}}^1\times {\mathrm{159683}}^1$

素因数の和:161275

約数の個数: 40

約数和(自身を含む): 46927933920

約数和(自身を除く): 26756777360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1579, 3158, 6316, 7895, 12632, 15790, 25264, 31580, 63160, 126320, 159683, 319366, 638732, 798415, 1277464, 1596830, 2554928, 3193660, 6387320, 12774640, 252139457, 504278914, 1008557828, 1260697285, 2017115656, 2521394570, 4034231312, 5042789140, 10085578280, 20171156560]

約数ペア:

[(1, 20171156560), (2, 10085578280), (4, 5042789140), (5, 4034231312), (8, 2521394570), (10, 2017115656), (16, 1260697285), (20, 1008557828), (40, 504278914), (80, 252139457), (1579, 12774640), (3158, 6387320), (6316, 3193660), (7895, 2554928), (12632, 1596830), (15790, 1277464), (25264, 798415), (31580, 638732), (63160, 319366), (126320, 159683)]