25309388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 49580160

約数和(自身を除く): 24270772

約数列:

[1, 2, 4, 13, 26, 52, 61, 79, 101, 122, 158, 202, 244, 316, 404, 793, 1027, 1313, 1586, 2054, 2626, 3172, 4108, 4819, 5252, 6161, 7979, 9638, 12322, 15958, 19276, 24644, 31916, 62647, 80093, 103727, 125294, 160186, 207454, 250588, 320372, 414908, 486719, 973438, 1946876, 6327347, 12654694, 25309388]

約数ペア:

[(1, 25309388), (2, 12654694), (4, 6327347), (13, 1946876), (26, 973438), (52, 486719), (61, 414908), (79, 320372), (101, 250588), (122, 207454), (158, 160186), (202, 125294), (244, 103727), (316, 80093), (404, 62647), (793, 31916), (1027, 24644), (1313, 19276), (1586, 15958), (2054, 12322), (2626, 9638), (3172, 7979), (4108, 6161), (4819, 5252)]