121228840

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{20071}}^1$

素因数の和:20233

約数の個数: 32

約数和(自身を含む): 274584960

約数和(自身を除く): 153356120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 20071, 40142, 80284, 100355, 160568, 200710, 401420, 802840, 3030721, 6061442, 12122884, 15153605, 24245768, 30307210, 60614420, 121228840]

約数ペア:

[(1, 121228840), (2, 60614420), (4, 30307210), (5, 24245768), (8, 15153605), (10, 12122884), (20, 6061442), (40, 3030721), (151, 802840), (302, 401420), (604, 200710), (755, 160568), (1208, 100355), (1510, 80284), (3020, 40142), (6040, 20071)]