72497980

素因数分解:

$2^2\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{3449}}^1$

素因数の和:4509

約数の個数: 24

約数和(自身を含む): 152434800

約数和(自身を除く): 79936820

約数列:

[1, 2, 4, 5, 10, 20, 1051, 2102, 3449, 4204, 5255, 6898, 10510, 13796, 17245, 21020, 34490, 68980, 3624899, 7249798, 14499596, 18124495, 36248990, 72497980]

約数ペア:

[(1, 72497980), (2, 36248990), (4, 18124495), (5, 14499596), (10, 7249798), (20, 3624899), (1051, 68980), (2102, 34490), (3449, 21020), (4204, 17245), (5255, 13796), (6898, 10510)]