25564760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:468

約数の個数: 64

約数和(自身を含む): 62506080

約数和(自身を除く): 36941320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 211, 233, 260, 422, 466, 520, 844, 932, 1055, 1165, 1688, 1864, 2110, 2330, 2743, 3029, 4220, 4660, 5486, 6058, 8440, 9320, 10972, 12116, 13715, 15145, 21944, 24232, 27430, 30290, 49163, 54860, 60580, 98326, 109720, 121160, 196652, 245815, 393304, 491630, 639119, 983260, 1278238, 1966520, 2556476, 3195595, 5112952, 6391190, 12782380, 25564760]

約数ペア:

[(1, 25564760), (2, 12782380), (4, 6391190), (5, 5112952), (8, 3195595), (10, 2556476), (13, 1966520), (20, 1278238), (26, 983260), (40, 639119), (52, 491630), (65, 393304), (104, 245815), (130, 196652), (211, 121160), (233, 109720), (260, 98326), (422, 60580), (466, 54860), (520, 49163), (844, 30290), (932, 27430), (1055, 24232), (1165, 21944), (1688, 15145), (1864, 13715), (2110, 12116), (2330, 10972), (2743, 9320), (3029, 8440), (4220, 6058), (4660, 5486)]