25495480

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6571}}^1$

素因数の和:6679

約数の個数: 32

約数和(自身を含む): 57965040

約数和(自身を除く): 32469560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 6571, 13142, 26284, 32855, 52568, 65710, 131420, 262840, 637387, 1274774, 2549548, 3186935, 5099096, 6373870, 12747740, 25495480]

約数ペア:

[(1, 25495480), (2, 12747740), (4, 6373870), (5, 5099096), (8, 3186935), (10, 2549548), (20, 1274774), (40, 637387), (97, 262840), (194, 131420), (388, 65710), (485, 52568), (776, 32855), (970, 26284), (1940, 13142), (3880, 6571)]