40860760

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1789}}^1$

素因数の和:2371

約数の個数: 32

約数和(自身を含む): 92149200

約数和(自身を除く): 51288440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1789, 2284, 2855, 3578, 4568, 5710, 7156, 8945, 11420, 14312, 17890, 22840, 35780, 71560, 1021519, 2043038, 4086076, 5107595, 8172152, 10215190, 20430380, 40860760]

約数ペア:

[(1, 40860760), (2, 20430380), (4, 10215190), (5, 8172152), (8, 5107595), (10, 4086076), (20, 2043038), (40, 1021519), (571, 71560), (1142, 35780), (1789, 22840), (2284, 17890), (2855, 14312), (3578, 11420), (4568, 8945), (5710, 7156)]