86921560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17959}}^1$

素因数の和:17992

約数の個数: 48

約数和(自身を含む): 214981200

約数和(自身を除く): 128059640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 17959, 35918, 71836, 89795, 143672, 179590, 197549, 359180, 395098, 718360, 790196, 987745, 1580392, 1975490, 2173039, 3950980, 4346078, 7901960, 8692156, 10865195, 17384312, 21730390, 43460780, 86921560]

約数ペア:

[(1, 86921560), (2, 43460780), (4, 21730390), (5, 17384312), (8, 10865195), (10, 8692156), (11, 7901960), (20, 4346078), (22, 3950980), (40, 2173039), (44, 1975490), (55, 1580392), (88, 987745), (110, 790196), (121, 718360), (220, 395098), (242, 359180), (440, 197549), (484, 179590), (605, 143672), (968, 89795), (1210, 71836), (2420, 35918), (4840, 17959)]