30606920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24683}}^1$

素因数の和:24725

約数の個数: 32

約数和(自身を含む): 71089920

約数和(自身を除く): 40483000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24683, 49366, 98732, 123415, 197464, 246830, 493660, 765173, 987320, 1530346, 3060692, 3825865, 6121384, 7651730, 15303460, 30606920]

約数ペア:

[(1, 30606920), (2, 15303460), (4, 7651730), (5, 6121384), (8, 3825865), (10, 3060692), (20, 1530346), (31, 987320), (40, 765173), (62, 493660), (124, 246830), (155, 197464), (248, 123415), (310, 98732), (620, 49366), (1240, 24683)]