158657960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{92243}}^1$

素因数の和:92297

約数の個数: 32

約数和(自身を含む): 365286240

約数和(自身を除く): 206628280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 92243, 184486, 368972, 461215, 737944, 922430, 1844860, 3689720, 3966449, 7932898, 15865796, 19832245, 31731592, 39664490, 79328980, 158657960]

約数ペア:

[(1, 158657960), (2, 79328980), (4, 39664490), (5, 31731592), (8, 19832245), (10, 15865796), (20, 7932898), (40, 3966449), (43, 3689720), (86, 1844860), (172, 922430), (215, 737944), (344, 461215), (430, 368972), (860, 184486), (1720, 92243)]