64990010

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{106541}}^1$

素因数の和:106609

約数の個数: 16

約数和(自身を含む): 118900872

約数和(自身を除く): 53910862

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 106541, 213082, 532705, 1065410, 6499001, 12998002, 32495005, 64990010]

約数ペア:

[(1, 64990010), (2, 32495005), (5, 12998002), (10, 6499001), (61, 1065410), (122, 532705), (305, 213082), (610, 106541)]