25430288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 53621568

約数和(自身を除く): 28191280

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 103, 104, 206, 208, 412, 824, 1187, 1339, 1648, 2374, 2678, 4748, 5356, 9496, 10712, 15431, 18992, 21424, 30862, 61724, 122261, 123448, 244522, 246896, 489044, 978088, 1589393, 1956176, 3178786, 6357572, 12715144, 25430288]

約数ペア:

[(1, 25430288), (2, 12715144), (4, 6357572), (8, 3178786), (13, 1956176), (16, 1589393), (26, 978088), (52, 489044), (103, 246896), (104, 244522), (206, 123448), (208, 122261), (412, 61724), (824, 30862), (1187, 21424), (1339, 18992), (1648, 15431), (2374, 10712), (2678, 9496), (4748, 5356)]