91061240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{25579}}^1$

素因数の和:25679

約数の個数: 32

約数和(自身を含む): 207198000

約数和(自身を除く): 116136760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 25579, 51158, 102316, 127895, 204632, 255790, 511580, 1023160, 2276531, 4553062, 9106124, 11382655, 18212248, 22765310, 45530620, 91061240]

約数ペア:

[(1, 91061240), (2, 45530620), (4, 22765310), (5, 18212248), (8, 11382655), (10, 9106124), (20, 4553062), (40, 2276531), (89, 1023160), (178, 511580), (356, 255790), (445, 204632), (712, 127895), (890, 102316), (1780, 51158), (3560, 25579)]