64855130

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 118936080

約数和(自身を除く): 54080950

約数列:

[1, 2, 5, 10, 101, 157, 202, 314, 409, 505, 785, 818, 1010, 1570, 2045, 4090, 15857, 31714, 41309, 64213, 79285, 82618, 128426, 158570, 206545, 321065, 413090, 642130, 6485513, 12971026, 32427565, 64855130]

約数ペア:

[(1, 64855130), (2, 32427565), (5, 12971026), (10, 6485513), (101, 642130), (157, 413090), (202, 321065), (314, 206545), (409, 158570), (505, 128426), (785, 82618), (818, 79285), (1010, 64213), (1570, 41309), (2045, 31714), (4090, 15857)]