2051279240

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1\times {\mathrm{1153}}^1$

素因数の和:1806

約数の個数: 64

約数和(自身を含む): 4686163200

約数和(自身を除く): 2634883960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 563, 632, 790, 1126, 1153, 1580, 2252, 2306, 2815, 3160, 4504, 4612, 5630, 5765, 9224, 11260, 11530, 22520, 23060, 44477, 46120, 88954, 91087, 177908, 182174, 222385, 355816, 364348, 444770, 455435, 649139, 728696, 889540, 910870, 1298278, 1779080, 1821740, 2596556, 3245695, 3643480, 5193112, 6491390, 12982780, 25965560, 51281981, 102563962, 205127924, 256409905, 410255848, 512819810, 1025639620, 2051279240]

約数ペア:

[(1, 2051279240), (2, 1025639620), (4, 512819810), (5, 410255848), (8, 256409905), (10, 205127924), (20, 102563962), (40, 51281981), (79, 25965560), (158, 12982780), (316, 6491390), (395, 5193112), (563, 3643480), (632, 3245695), (790, 2596556), (1126, 1821740), (1153, 1779080), (1580, 1298278), (2252, 910870), (2306, 889540), (2815, 728696), (3160, 649139), (4504, 455435), (4612, 444770), (5630, 364348), (5765, 355816), (9224, 222385), (11260, 182174), (11530, 177908), (22520, 91087), (23060, 88954), (44477, 46120)]