664407050

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{324101}}^1$

素因数の和:324154

約数の個数: 24

約数和(自身を含む): 1265942412

約数和(自身を除く): 601535362

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 324101, 648202, 1620505, 3241010, 8102525, 13288141, 16205050, 26576282, 66440705, 132881410, 332203525, 664407050]

約数ペア:

[(1, 664407050), (2, 332203525), (5, 132881410), (10, 66440705), (25, 26576282), (41, 16205050), (50, 13288141), (82, 8102525), (205, 3241010), (410, 1620505), (1025, 648202), (2050, 324101)]