56503960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17881}}^1$

素因数の和:17971

約数の個数: 32

約数和(自身を含む): 128750400

約数和(自身を除く): 72246440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 17881, 35762, 71524, 89405, 143048, 178810, 357620, 715240, 1412599, 2825198, 5650396, 7062995, 11300792, 14125990, 28251980, 56503960]

約数ペア:

[(1, 56503960), (2, 28251980), (4, 14125990), (5, 11300792), (8, 7062995), (10, 5650396), (20, 2825198), (40, 1412599), (79, 715240), (158, 357620), (316, 178810), (395, 143048), (632, 89405), (790, 71524), (1580, 35762), (3160, 17881)]