1729520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1689

約数の個数: 40

約数和(自身を含む): 4333056

約数和(自身を除く): 2603536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1663, 3326, 6652, 8315, 13304, 16630, 21619, 26608, 33260, 43238, 66520, 86476, 108095, 133040, 172952, 216190, 345904, 432380, 864760, 1729520]

約数ペア:

[(1, 1729520), (2, 864760), (4, 432380), (5, 345904), (8, 216190), (10, 172952), (13, 133040), (16, 108095), (20, 86476), (26, 66520), (40, 43238), (52, 33260), (65, 26608), (80, 21619), (104, 16630), (130, 13304), (208, 8315), (260, 6652), (520, 3326), (1040, 1663)]