161700520

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{139397}}^1$

素因数の和:139437

約数の個数: 32

約数和(自身を含む): 376374600

約数和(自身を除く): 214674080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 139397, 278794, 557588, 696985, 1115176, 1393970, 2787940, 4042513, 5575880, 8085026, 16170052, 20212565, 32340104, 40425130, 80850260, 161700520]

約数ペア:

[(1, 161700520), (2, 80850260), (4, 40425130), (5, 32340104), (8, 20212565), (10, 16170052), (20, 8085026), (29, 5575880), (40, 4042513), (58, 2787940), (116, 1393970), (145, 1115176), (232, 696985), (290, 557588), (580, 278794), (1160, 139397)]