25252880

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{659}}^1$

素因数の和:1151

約数の個数: 40

約数和(自身を含む): 58924800

約数和(自身を除く): 33671920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 659, 958, 1318, 1916, 2395, 2636, 3295, 3832, 4790, 5272, 6590, 7664, 9580, 10544, 13180, 19160, 26360, 38320, 52720, 315661, 631322, 1262644, 1578305, 2525288, 3156610, 5050576, 6313220, 12626440, 25252880]

約数ペア:

[(1, 25252880), (2, 12626440), (4, 6313220), (5, 5050576), (8, 3156610), (10, 2525288), (16, 1578305), (20, 1262644), (40, 631322), (80, 315661), (479, 52720), (659, 38320), (958, 26360), (1318, 19160), (1916, 13180), (2395, 10544), (2636, 9580), (3295, 7664), (3832, 6590), (4790, 5272)]