4256920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3433}}^1$

素因数の和:3475

約数の個数: 32

約数和(自身を含む): 9889920

約数和(自身を除く): 5633000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 3433, 6866, 13732, 17165, 27464, 34330, 68660, 106423, 137320, 212846, 425692, 532115, 851384, 1064230, 2128460, 4256920]

約数ペア:

[(1, 4256920), (2, 2128460), (4, 1064230), (5, 851384), (8, 532115), (10, 425692), (20, 212846), (31, 137320), (40, 106423), (62, 68660), (124, 34330), (155, 27464), (248, 17165), (310, 13732), (620, 6866), (1240, 3433)]