72074020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1949}}^1$

素因数の和:2044

約数の個数: 36

約数和(自身を含む): 155036700

約数和(自身を除く): 82962680

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 1949, 3698, 3898, 7396, 7796, 9245, 9745, 18490, 19490, 36980, 38980, 83807, 167614, 335228, 419035, 838070, 1676140, 3603701, 7207402, 14414804, 18018505, 36037010, 72074020]

約数ペア:

[(1, 72074020), (2, 36037010), (4, 18018505), (5, 14414804), (10, 7207402), (20, 3603701), (43, 1676140), (86, 838070), (172, 419035), (215, 335228), (430, 167614), (860, 83807), (1849, 38980), (1949, 36980), (3698, 19490), (3898, 18490), (7396, 9745), (7796, 9245)]