15804980560

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2782567}}^1$

素因数の和:2782651

約数の個数: 40

約数和(自身を含む): 37264150656

約数和(自身を除く): 21459170096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 2782567, 5565134, 11130268, 13912835, 22260536, 27825670, 44521072, 55651340, 111302680, 197562257, 222605360, 395124514, 790249028, 987811285, 1580498056, 1975622570, 3160996112, 3951245140, 7902490280, 15804980560]

約数ペア:

[(1, 15804980560), (2, 7902490280), (4, 3951245140), (5, 3160996112), (8, 1975622570), (10, 1580498056), (16, 987811285), (20, 790249028), (40, 395124514), (71, 222605360), (80, 197562257), (142, 111302680), (284, 55651340), (355, 44521072), (568, 27825670), (710, 22260536), (1136, 13912835), (1420, 11130268), (2840, 5565134), (5680, 2782567)]