23640280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{8821}}^1$

素因数の和:8899

約数の個数: 32

約数和(自身を含む): 53990640

約数和(自身を除く): 30350360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 8821, 17642, 35284, 44105, 70568, 88210, 176420, 352840, 591007, 1182014, 2364028, 2955035, 4728056, 5910070, 11820140, 23640280]

約数ペア:

[(1, 23640280), (2, 11820140), (4, 5910070), (5, 4728056), (8, 2955035), (10, 2364028), (20, 1182014), (40, 591007), (67, 352840), (134, 176420), (268, 88210), (335, 70568), (536, 44105), (670, 35284), (1340, 17642), (2680, 8821)]