4063940

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:967

約数の個数: 24

約数和(自身を含む): 8574552

約数和(自身を除く): 4510612

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 641, 1268, 1282, 1585, 2564, 3170, 3205, 6340, 6410, 12820, 203197, 406394, 812788, 1015985, 2031970, 4063940]

約数ペア:

[(1, 4063940), (2, 2031970), (4, 1015985), (5, 812788), (10, 406394), (20, 203197), (317, 12820), (634, 6410), (641, 6340), (1268, 3205), (1282, 3170), (1585, 2564)]