65016920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{52433}}^1$

素因数の和:52475

約数の個数: 32

約数和(自身を含む): 151009920

約数和(自身を除く): 85993000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 52433, 104866, 209732, 262165, 419464, 524330, 1048660, 1625423, 2097320, 3250846, 6501692, 8127115, 13003384, 16254230, 32508460, 65016920]

約数ペア:

[(1, 65016920), (2, 32508460), (4, 16254230), (5, 13003384), (8, 8127115), (10, 6501692), (20, 3250846), (31, 2097320), (40, 1625423), (62, 1048660), (124, 524330), (155, 419464), (248, 262165), (310, 209732), (620, 104866), (1240, 52433)]