13000325

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 18584748

約数和(自身を除く): 5584423

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 181, 221, 325, 425, 845, 905, 1105, 2353, 2873, 3077, 4225, 4525, 5525, 11765, 14365, 15385, 30589, 40001, 58825, 71825, 76925, 152945, 200005, 520013, 764725, 1000025, 2600065, 13000325]

約数ペア:

[(1, 13000325), (5, 2600065), (13, 1000025), (17, 764725), (25, 520013), (65, 200005), (85, 152945), (169, 76925), (181, 71825), (221, 58825), (325, 40001), (425, 30589), (845, 15385), (905, 14365), (1105, 11765), (2353, 5525), (2873, 4525), (3077, 4225)]