40907960

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11491}}^1$

素因数の和:11591

約数の個数: 32

約数和(自身を含む): 93085200

約数和(自身を除く): 52177240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 11491, 22982, 45964, 57455, 91928, 114910, 229820, 459640, 1022699, 2045398, 4090796, 5113495, 8181592, 10226990, 20453980, 40907960]

約数ペア:

[(1, 40907960), (2, 20453980), (4, 10226990), (5, 8181592), (8, 5113495), (10, 4090796), (20, 2045398), (40, 1022699), (89, 459640), (178, 229820), (356, 114910), (445, 91928), (712, 57455), (890, 45964), (1780, 22982), (3560, 11491)]