40000010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97561}}^1$

素因数の和:97609

約数の個数: 16

約数和(自身を含む): 73756872

約数和(自身を除く): 33756862

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 97561, 195122, 487805, 975610, 4000001, 8000002, 20000005, 40000010]

約数ペア:

[(1, 40000010), (2, 20000005), (5, 8000002), (10, 4000001), (41, 975610), (82, 487805), (205, 195122), (410, 97561)]