27944920

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5333}}^1$

素因数の和:5475

約数の個数: 32

約数和(自身を含む): 63367920

約数和(自身を除く): 35423000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 5333, 10666, 21332, 26665, 42664, 53330, 106660, 213320, 698623, 1397246, 2794492, 3493115, 5588984, 6986230, 13972460, 27944920]

約数ペア:

[(1, 27944920), (2, 13972460), (4, 6986230), (5, 5588984), (8, 3493115), (10, 2794492), (20, 1397246), (40, 698623), (131, 213320), (262, 106660), (524, 53330), (655, 42664), (1048, 26665), (1310, 21332), (2620, 10666), (5240, 5333)]