56845240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17989}}^1$

素因数の和:18079

約数の個数: 32

約数和(自身を含む): 129528000

約数和(自身を除く): 72682760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17989, 35978, 71956, 89945, 143912, 179890, 359780, 719560, 1421131, 2842262, 5684524, 7105655, 11369048, 14211310, 28422620, 56845240]

約数ペア:

[(1, 56845240), (2, 28422620), (4, 14211310), (5, 11369048), (8, 7105655), (10, 5684524), (20, 2842262), (40, 1421131), (79, 719560), (158, 359780), (316, 179890), (395, 143912), (632, 89945), (790, 71956), (1580, 35978), (3160, 17989)]