25859720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2237}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 61835940

約数和(自身を除く): 35976220

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2237, 2312, 2890, 4474, 5780, 8948, 11185, 11560, 17896, 22370, 38029, 44740, 76058, 89480, 152116, 190145, 304232, 380290, 646493, 760580, 1292986, 1521160, 2585972, 3232465, 5171944, 6464930, 12929860, 25859720]

約数ペア:

[(1, 25859720), (2, 12929860), (4, 6464930), (5, 5171944), (8, 3232465), (10, 2585972), (17, 1521160), (20, 1292986), (34, 760580), (40, 646493), (68, 380290), (85, 304232), (136, 190145), (170, 152116), (289, 89480), (340, 76058), (578, 44740), (680, 38029), (1156, 22370), (1445, 17896), (2237, 11560), (2312, 11185), (2890, 8948), (4474, 5780)]