25636640

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{983}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 61000128

約数和(自身を除く): 35363488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 983, 1304, 1630, 1966, 2608, 3260, 3932, 4915, 5216, 6520, 7864, 9830, 13040, 15728, 19660, 26080, 31456, 39320, 78640, 157280, 160229, 320458, 640916, 801145, 1281832, 1602290, 2563664, 3204580, 5127328, 6409160, 12818320, 25636640]

約数ペア:

[(1, 25636640), (2, 12818320), (4, 6409160), (5, 5127328), (8, 3204580), (10, 2563664), (16, 1602290), (20, 1281832), (32, 801145), (40, 640916), (80, 320458), (160, 160229), (163, 157280), (326, 78640), (652, 39320), (815, 31456), (983, 26080), (1304, 19660), (1630, 15728), (1966, 13040), (2608, 9830), (3260, 7864), (3932, 6520), (4915, 5216)]