19752760

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{2957}}^1$

素因数の和:3135

約数の個数: 32

約数和(自身を含む): 44724960

約数和(自身を除く): 24972200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 2957, 3340, 5914, 6680, 11828, 14785, 23656, 29570, 59140, 118280, 493819, 987638, 1975276, 2469095, 3950552, 4938190, 9876380, 19752760]

約数ペア:

[(1, 19752760), (2, 9876380), (4, 4938190), (5, 3950552), (8, 2469095), (10, 1975276), (20, 987638), (40, 493819), (167, 118280), (334, 59140), (668, 29570), (835, 23656), (1336, 14785), (1670, 11828), (2957, 6680), (3340, 5914)]