55147540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{8039}}^1$

素因数の和:8069

約数の個数: 48

約数和(自身を含む): 135072000

約数和(自身を除く): 79924460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 8039, 16078, 32156, 40195, 56273, 80390, 112546, 160780, 225092, 281365, 393911, 562730, 787822, 1125460, 1575644, 1969555, 2757377, 3939110, 5514754, 7878220, 11029508, 13786885, 27573770, 55147540]

約数ペア:

[(1, 55147540), (2, 27573770), (4, 13786885), (5, 11029508), (7, 7878220), (10, 5514754), (14, 3939110), (20, 2757377), (28, 1969555), (35, 1575644), (49, 1125460), (70, 787822), (98, 562730), (140, 393911), (196, 281365), (245, 225092), (343, 160780), (490, 112546), (686, 80390), (980, 56273), (1372, 40195), (1715, 32156), (3430, 16078), (6860, 8039)]