25858768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 32637488

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 71, 103, 104, 136, 142, 206, 208, 221, 272, 284, 412, 442, 568, 824, 884, 923, 1136, 1207, 1339, 1648, 1751, 1768, 1846, 2414, 2678, 3502, 3536, 3692, 4828, 5356, 7004, 7313, 7384, 9656, 10712, 14008, 14626, 14768, 15691, 19312, 21424, 22763, 28016, 29252, 31382, 45526, 58504, 62764, 91052, 95069, 117008, 124321, 125528, 182104, 190138, 248642, 251056, 364208, 380276, 497284, 760552, 994568, 1521104, 1616173, 1989136, 3232346, 6464692, 12929384, 25858768]

約数ペア:

[(1, 25858768), (2, 12929384), (4, 6464692), (8, 3232346), (13, 1989136), (16, 1616173), (17, 1521104), (26, 994568), (34, 760552), (52, 497284), (68, 380276), (71, 364208), (103, 251056), (104, 248642), (136, 190138), (142, 182104), (206, 125528), (208, 124321), (221, 117008), (272, 95069), (284, 91052), (412, 62764), (442, 58504), (568, 45526), (824, 31382), (884, 29252), (923, 28016), (1136, 22763), (1207, 21424), (1339, 19312), (1648, 15691), (1751, 14768), (1768, 14626), (1846, 14008), (2414, 10712), (2678, 9656), (3502, 7384), (3536, 7313), (3692, 7004), (4828, 5356)]