64169740

素因数分解:

$2^2\times 5^1\times {\mathrm{1433}}^1\times {\mathrm{2239}}^1$

素因数の和:3681

約数の個数: 24

約数和(自身を含む): 134910720

約数和(自身を除く): 70740980

約数列:

[1, 2, 4, 5, 10, 20, 1433, 2239, 2866, 4478, 5732, 7165, 8956, 11195, 14330, 22390, 28660, 44780, 3208487, 6416974, 12833948, 16042435, 32084870, 64169740]

約数ペア:

[(1, 64169740), (2, 32084870), (4, 16042435), (5, 12833948), (10, 6416974), (20, 3208487), (1433, 44780), (2239, 28660), (2866, 22390), (4478, 14330), (5732, 11195), (7165, 8956)]