56731480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1381}}^1$

素因数の和:1484

約数の個数: 64

約数和(自身を含む): 139305600

約数和(自身を除く): 82574120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1381, 1580, 2054, 2762, 3160, 4108, 5135, 5524, 6905, 8216, 10270, 11048, 13810, 17953, 20540, 27620, 35906, 41080, 55240, 71812, 89765, 109099, 143624, 179530, 218198, 359060, 436396, 545495, 718120, 872792, 1090990, 1418287, 2181980, 2836574, 4363960, 5673148, 7091435, 11346296, 14182870, 28365740, 56731480]

約数ペア:

[(1, 56731480), (2, 28365740), (4, 14182870), (5, 11346296), (8, 7091435), (10, 5673148), (13, 4363960), (20, 2836574), (26, 2181980), (40, 1418287), (52, 1090990), (65, 872792), (79, 718120), (104, 545495), (130, 436396), (158, 359060), (260, 218198), (316, 179530), (395, 143624), (520, 109099), (632, 89765), (790, 71812), (1027, 55240), (1381, 41080), (1580, 35906), (2054, 27620), (2762, 20540), (3160, 17953), (4108, 13810), (5135, 11048), (5524, 10270), (6905, 8216)]