61864520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{15313}}^1$

素因数の和:15425

約数の個数: 32

約数和(自身を含む): 140582520

約数和(自身を除く): 78718000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 15313, 30626, 61252, 76565, 122504, 153130, 306260, 612520, 1546613, 3093226, 6186452, 7733065, 12372904, 15466130, 30932260, 61864520]

約数ペア:

[(1, 61864520), (2, 30932260), (4, 15466130), (5, 12372904), (8, 7733065), (10, 6186452), (20, 3093226), (40, 1546613), (101, 612520), (202, 306260), (404, 153130), (505, 122504), (808, 76565), (1010, 61252), (2020, 30626), (4040, 15313)]