25990510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^5$

素因数の和:79

約数の個数: 48

約数和(自身を含む): 57921696

約数和(自身を除く): 31931186

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 169, 182, 338, 455, 845, 910, 1183, 1690, 2197, 2366, 4394, 5915, 10985, 11830, 15379, 21970, 28561, 30758, 57122, 76895, 142805, 153790, 199927, 285610, 371293, 399854, 742586, 999635, 1856465, 1999270, 2599051, 3712930, 5198102, 12995255, 25990510]

約数ペア:

[(1, 25990510), (2, 12995255), (5, 5198102), (7, 3712930), (10, 2599051), (13, 1999270), (14, 1856465), (26, 999635), (35, 742586), (65, 399854), (70, 371293), (91, 285610), (130, 199927), (169, 153790), (182, 142805), (338, 76895), (455, 57122), (845, 30758), (910, 28561), (1183, 21970), (1690, 15379), (2197, 11830), (2366, 10985), (4394, 5915)]