8155180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1951}}^1$

素因数の和:1990

約数の個数: 48

約数和(自身を含む): 19676160

約数和(自身を除く): 11520980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 1951, 2090, 3902, 4180, 7804, 9755, 19510, 21461, 37069, 39020, 42922, 74138, 85844, 107305, 148276, 185345, 214610, 370690, 407759, 429220, 741380, 815518, 1631036, 2038795, 4077590, 8155180]

約数ペア:

[(1, 8155180), (2, 4077590), (4, 2038795), (5, 1631036), (10, 815518), (11, 741380), (19, 429220), (20, 407759), (22, 370690), (38, 214610), (44, 185345), (55, 148276), (76, 107305), (95, 85844), (110, 74138), (190, 42922), (209, 39020), (220, 37069), (380, 21461), (418, 19510), (836, 9755), (1045, 7804), (1951, 4180), (2090, 3902)]