291237677240

素因数分解:

$2^3\times 5^1\times {\mathrm{7280941931}}^1$

素因数の和:7280941942

約数の個数: 16

約数和(自身を含む): 655284773880

約数和(自身を除く): 364047096640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7280941931, 14561883862, 29123767724, 36404709655, 58247535448, 72809419310, 145618838620, 291237677240]

約数ペア:

[(1, 291237677240), (2, 145618838620), (4, 72809419310), (5, 58247535448), (8, 36404709655), (10, 29123767724), (20, 14561883862), (40, 7280941931)]