9771680

素因数分解:

$2^5\times 5^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 23292360

約数和(自身を除く): 13520680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 157, 160, 314, 389, 628, 778, 785, 1256, 1556, 1570, 1945, 2512, 3112, 3140, 3890, 5024, 6224, 6280, 7780, 12448, 12560, 15560, 25120, 31120, 61073, 62240, 122146, 244292, 305365, 488584, 610730, 977168, 1221460, 1954336, 2442920, 4885840, 9771680]

約数ペア:

[(1, 9771680), (2, 4885840), (4, 2442920), (5, 1954336), (8, 1221460), (10, 977168), (16, 610730), (20, 488584), (32, 305365), (40, 244292), (80, 122146), (157, 62240), (160, 61073), (314, 31120), (389, 25120), (628, 15560), (778, 12560), (785, 12448), (1256, 7780), (1556, 6280), (1570, 6224), (1945, 5024), (2512, 3890), (3112, 3140)]