25708640

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3919}}^1$

素因数の和:3975

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 36525280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 3919, 6560, 7838, 15676, 19595, 31352, 39190, 62704, 78380, 125408, 156760, 160679, 313520, 321358, 627040, 642716, 803395, 1285432, 1606790, 2570864, 3213580, 5141728, 6427160, 12854320, 25708640]

約数ペア:

[(1, 25708640), (2, 12854320), (4, 6427160), (5, 5141728), (8, 3213580), (10, 2570864), (16, 1606790), (20, 1285432), (32, 803395), (40, 642716), (41, 627040), (80, 321358), (82, 313520), (160, 160679), (164, 156760), (205, 125408), (328, 78380), (410, 62704), (656, 39190), (820, 31352), (1312, 19595), (1640, 15676), (3280, 7838), (3919, 6560)]