80946460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30431}}^1$

素因数の和:30466

約数の個数: 48

約数和(自身を含む): 204503040

約数和(自身を除く): 123556580

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30431, 60862, 121724, 152155, 213017, 304310, 426034, 578189, 608620, 852068, 1065085, 1156378, 2130170, 2312756, 2890945, 4047323, 4260340, 5781890, 8094646, 11563780, 16189292, 20236615, 40473230, 80946460]

約数ペア:

[(1, 80946460), (2, 40473230), (4, 20236615), (5, 16189292), (7, 11563780), (10, 8094646), (14, 5781890), (19, 4260340), (20, 4047323), (28, 2890945), (35, 2312756), (38, 2130170), (70, 1156378), (76, 1065085), (95, 852068), (133, 608620), (140, 578189), (190, 426034), (266, 304310), (380, 213017), (532, 152155), (665, 121724), (1330, 60862), (2660, 30431)]