4006250

素因数分解:

$2^1\times 5^5\times {\mathrm{641}}^1$

素因数の和:668

約数の個数: 24

約数和(自身を含む): 7522956

約数和(自身を除く): 3516706

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 641, 1250, 1282, 3125, 3205, 6250, 6410, 16025, 32050, 80125, 160250, 400625, 801250, 2003125, 4006250]

約数ペア:

[(1, 4006250), (2, 2003125), (5, 801250), (10, 400625), (25, 160250), (50, 80125), (125, 32050), (250, 16025), (625, 6410), (641, 6250), (1250, 3205), (1282, 3125)]