66990460

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{7561}}^1$

素因数の和:8013

約数の個数: 24

約数和(自身を含む): 141016176

約数和(自身を除く): 74025716

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 7561, 8860, 15122, 30244, 37805, 75610, 151220, 3349523, 6699046, 13398092, 16747615, 33495230, 66990460]

約数ペア:

[(1, 66990460), (2, 33495230), (4, 16747615), (5, 13398092), (10, 6699046), (20, 3349523), (443, 151220), (886, 75610), (1772, 37805), (2215, 30244), (4430, 15122), (7561, 8860)]