89152640

素因数分解:

$2^7\times 5^1\times {\mathrm{139301}}^1$

素因数の和:139320

約数の個数: 32

約数和(自身を含む): 213132060

約数和(自身を除く): 123979420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 139301, 278602, 557204, 696505, 1114408, 1393010, 2228816, 2786020, 4457632, 5572040, 8915264, 11144080, 17830528, 22288160, 44576320, 89152640]

約数ペア:

[(1, 89152640), (2, 44576320), (4, 22288160), (5, 17830528), (8, 11144080), (10, 8915264), (16, 5572040), (20, 4457632), (32, 2786020), (40, 2228816), (64, 1393010), (80, 1114408), (128, 696505), (160, 557204), (320, 278602), (640, 139301)]