25388870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:297

約数の個数: 48

約数和(自身を含む): 50358672

約数和(自身を除く): 24969802

約数列:

[1, 2, 5, 10, 13, 26, 65, 83, 130, 166, 169, 181, 338, 362, 415, 830, 845, 905, 1079, 1690, 1810, 2158, 2353, 4706, 5395, 10790, 11765, 14027, 15023, 23530, 28054, 30046, 30589, 61178, 70135, 75115, 140270, 150230, 152945, 195299, 305890, 390598, 976495, 1952990, 2538887, 5077774, 12694435, 25388870]

約数ペア:

[(1, 25388870), (2, 12694435), (5, 5077774), (10, 2538887), (13, 1952990), (26, 976495), (65, 390598), (83, 305890), (130, 195299), (166, 152945), (169, 150230), (181, 140270), (338, 75115), (362, 70135), (415, 61178), (830, 30589), (845, 30046), (905, 28054), (1079, 23530), (1690, 15023), (1810, 14027), (2158, 11765), (2353, 10790), (4706, 5395)]