61021240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{217933}}^1$

素因数の和:217951

約数の個数: 32

約数和(自身を含む): 156912480

約数和(自身を除く): 95891240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 217933, 435866, 871732, 1089665, 1525531, 1743464, 2179330, 3051062, 4358660, 6102124, 7627655, 8717320, 12204248, 15255310, 30510620, 61021240]

約数ペア:

[(1, 61021240), (2, 30510620), (4, 15255310), (5, 12204248), (7, 8717320), (8, 7627655), (10, 6102124), (14, 4358660), (20, 3051062), (28, 2179330), (35, 1743464), (40, 1525531), (56, 1089665), (70, 871732), (140, 435866), (280, 217933)]