31200560

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5821}}^1$

素因数の和:5901

約数の個数: 40

約数和(自身を含む): 73636656

約数和(自身を除く): 42436096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 5360, 5821, 11642, 23284, 29105, 46568, 58210, 93136, 116420, 232840, 390007, 465680, 780014, 1560028, 1950035, 3120056, 3900070, 6240112, 7800140, 15600280, 31200560]

約数ペア:

[(1, 31200560), (2, 15600280), (4, 7800140), (5, 6240112), (8, 3900070), (10, 3120056), (16, 1950035), (20, 1560028), (40, 780014), (67, 465680), (80, 390007), (134, 232840), (268, 116420), (335, 93136), (536, 58210), (670, 46568), (1072, 29105), (1340, 23284), (2680, 11642), (5360, 5821)]