71870420

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12973}}^1$

素因数の和:13259

約数の個数: 24

約数和(自身を含む): 151484424

約数和(自身を除く): 79614004

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 12973, 25946, 51892, 64865, 129730, 259460, 3593521, 7187042, 14374084, 17967605, 35935210, 71870420]

約数ペア:

[(1, 71870420), (2, 35935210), (4, 17967605), (5, 14374084), (10, 7187042), (20, 3593521), (277, 259460), (554, 129730), (1108, 64865), (1385, 51892), (2770, 25946), (5540, 12973)]