89342360

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4549}}^1$

素因数の和:5051

約数の個数: 32

約数和(自身を含む): 201474000

約数和(自身を除く): 112131640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2455, 3928, 4549, 4910, 9098, 9820, 18196, 19640, 22745, 36392, 45490, 90980, 181960, 2233559, 4467118, 8934236, 11167795, 17868472, 22335590, 44671180, 89342360]

約数ペア:

[(1, 89342360), (2, 44671180), (4, 22335590), (5, 17868472), (8, 11167795), (10, 8934236), (20, 4467118), (40, 2233559), (491, 181960), (982, 90980), (1964, 45490), (2455, 36392), (3928, 22745), (4549, 19640), (4910, 18196), (9098, 9820)]