181027640

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{9293}}^1$

素因数の和:9791

約数の個数: 32

約数和(自身を含む): 408192480

約数和(自身を除く): 227164840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9293, 9740, 18586, 19480, 37172, 46465, 74344, 92930, 185860, 371720, 4525691, 9051382, 18102764, 22628455, 36205528, 45256910, 90513820, 181027640]

約数ペア:

[(1, 181027640), (2, 90513820), (4, 45256910), (5, 36205528), (8, 22628455), (10, 18102764), (20, 9051382), (40, 4525691), (487, 371720), (974, 185860), (1948, 92930), (2435, 74344), (3896, 46465), (4870, 37172), (9293, 19480), (9740, 18586)]