4363640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^2\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 10222200

約数和(自身を除く): 5858560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 295, 344, 430, 472, 590, 860, 1180, 1720, 1849, 2360, 2537, 3698, 5074, 7396, 9245, 10148, 12685, 14792, 18490, 20296, 25370, 36980, 50740, 73960, 101480, 109091, 218182, 436364, 545455, 872728, 1090910, 2181820, 4363640]

約数ペア:

[(1, 4363640), (2, 2181820), (4, 1090910), (5, 872728), (8, 545455), (10, 436364), (20, 218182), (40, 109091), (43, 101480), (59, 73960), (86, 50740), (118, 36980), (172, 25370), (215, 20296), (236, 18490), (295, 14792), (344, 12685), (430, 10148), (472, 9245), (590, 7396), (860, 5074), (1180, 3698), (1720, 2537), (1849, 2360)]