81161200

素因数分解:

$2^4\times 5^2\times {\mathrm{331}}^1\times {\mathrm{613}}^1$

素因数の和:962

約数の個数: 60

約数和(自身を含む): 195897928

約数和(自身を除く): 114736728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 331, 400, 613, 662, 1226, 1324, 1655, 2452, 2648, 3065, 3310, 4904, 5296, 6130, 6620, 8275, 9808, 12260, 13240, 15325, 16550, 24520, 26480, 30650, 33100, 49040, 61300, 66200, 122600, 132400, 202903, 245200, 405806, 811612, 1014515, 1623224, 2029030, 3246448, 4058060, 5072575, 8116120, 10145150, 16232240, 20290300, 40580600, 81161200]

約数ペア:

[(1, 81161200), (2, 40580600), (4, 20290300), (5, 16232240), (8, 10145150), (10, 8116120), (16, 5072575), (20, 4058060), (25, 3246448), (40, 2029030), (50, 1623224), (80, 1014515), (100, 811612), (200, 405806), (331, 245200), (400, 202903), (613, 132400), (662, 122600), (1226, 66200), (1324, 61300), (1655, 49040), (2452, 33100), (2648, 30650), (3065, 26480), (3310, 24520), (4904, 16550), (5296, 15325), (6130, 13240), (6620, 12260), (8275, 9808)]