74529520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71663}}^1$

素因数の和:71689

約数の個数: 40

約数和(自身を含む): 186613056

約数和(自身を除く): 112083536

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 71663, 143326, 286652, 358315, 573304, 716630, 931619, 1146608, 1433260, 1863238, 2866520, 3726476, 4658095, 5733040, 7452952, 9316190, 14905904, 18632380, 37264760, 74529520]

約数ペア:

[(1, 74529520), (2, 37264760), (4, 18632380), (5, 14905904), (8, 9316190), (10, 7452952), (13, 5733040), (16, 4658095), (20, 3726476), (26, 2866520), (40, 1863238), (52, 1433260), (65, 1146608), (80, 931619), (104, 716630), (130, 573304), (208, 358315), (260, 286652), (520, 143326), (1040, 71663)]