72217540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{124513}}^1$

素因数の和:124551

約数の個数: 24

約数和(自身を含む): 156887640

約数和(自身を除く): 84670100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 124513, 249026, 498052, 622565, 1245130, 2490260, 3610877, 7221754, 14443508, 18054385, 36108770, 72217540]

約数ペア:

[(1, 72217540), (2, 36108770), (4, 18054385), (5, 14443508), (10, 7221754), (20, 3610877), (29, 2490260), (58, 1245130), (116, 622565), (145, 498052), (290, 249026), (580, 124513)]