64064080

素因数分解:

$2^4\times 5^1\times {\mathrm{800801}}^1$

素因数の和:800814

約数の個数: 20

約数和(自身を含む): 148949172

約数和(自身を除く): 84885092

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 800801, 1601602, 3203204, 4004005, 6406408, 8008010, 12812816, 16016020, 32032040, 64064080]

約数ペア:

[(1, 64064080), (2, 32032040), (4, 16016020), (5, 12812816), (8, 8008010), (10, 6406408), (16, 4004005), (20, 3203204), (40, 1601602), (80, 800801)]