25205129872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1223}}^1\times {\mathrm{99083}}^1$

素因数の和:100327

約数の個数: 40

約数和(自身を含む): 52635006144

約数和(自身を除く): 27429876272

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1223, 2446, 4892, 9784, 15899, 19568, 31798, 63596, 99083, 127192, 198166, 254384, 396332, 792664, 1288079, 1585328, 2576158, 5152316, 10304632, 20609264, 121178509, 242357018, 484714036, 969428072, 1575320617, 1938856144, 3150641234, 6301282468, 12602564936, 25205129872]

約数ペア:

[(1, 25205129872), (2, 12602564936), (4, 6301282468), (8, 3150641234), (13, 1938856144), (16, 1575320617), (26, 969428072), (52, 484714036), (104, 242357018), (208, 121178509), (1223, 20609264), (2446, 10304632), (4892, 5152316), (9784, 2576158), (15899, 1585328), (19568, 1288079), (31798, 792664), (63596, 396332), (99083, 254384), (127192, 198166)]