54900920

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{7583}}^1$

素因数の和:7775

約数の個数: 32

約数和(自身を含む): 124225920

約数和(自身を除く): 69325000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 7583, 15166, 30332, 37915, 60664, 75830, 151660, 303320, 1372523, 2745046, 5490092, 6862615, 10980184, 13725230, 27450460, 54900920]

約数ペア:

[(1, 54900920), (2, 27450460), (4, 13725230), (5, 10980184), (8, 6862615), (10, 5490092), (20, 2745046), (40, 1372523), (181, 303320), (362, 151660), (724, 75830), (905, 60664), (1448, 37915), (1810, 30332), (3620, 15166), (7240, 7583)]