25140830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17581}}^1$

素因数の和:17612

約数の個数: 32

約数和(自身を含む): 53167968

約数和(自身を除く): 28027138

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 17581, 35162, 87905, 175810, 193391, 228553, 386782, 457106, 966955, 1142765, 1933910, 2285530, 2514083, 5028166, 12570415, 25140830]

約数ペア:

[(1, 25140830), (2, 12570415), (5, 5028166), (10, 2514083), (11, 2285530), (13, 1933910), (22, 1142765), (26, 966955), (55, 457106), (65, 386782), (110, 228553), (130, 193391), (143, 175810), (286, 87905), (715, 35162), (1430, 17581)]