72052840

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9431}}^1$

素因数の和:9633

約数の個数: 32

約数和(自身を含む): 162984960

約数和(自身を除く): 90932120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 9431, 18862, 37724, 47155, 75448, 94310, 188620, 377240, 1801321, 3602642, 7205284, 9006605, 14410568, 18013210, 36026420, 72052840]

約数ペア:

[(1, 72052840), (2, 36026420), (4, 18013210), (5, 14410568), (8, 9006605), (10, 7205284), (20, 3602642), (40, 1801321), (191, 377240), (382, 188620), (764, 94310), (955, 75448), (1528, 47155), (1910, 37724), (3820, 18862), (7640, 9431)]