85981840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8081}}^1$

素因数の和:8120

約数の個数: 80

約数和(自身を含む): 240520320

約数和(自身を除く): 154538480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 8081, 10640, 16162, 32324, 40405, 56567, 64648, 80810, 113134, 129296, 153539, 161620, 226268, 282835, 307078, 323240, 452536, 565670, 614156, 646480, 767695, 905072, 1074773, 1131340, 1228312, 1535390, 2149546, 2262680, 2456624, 3070780, 4299092, 4525360, 5373865, 6141560, 8598184, 10747730, 12283120, 17196368, 21495460, 42990920, 85981840]

約数ペア:

[(1, 85981840), (2, 42990920), (4, 21495460), (5, 17196368), (7, 12283120), (8, 10747730), (10, 8598184), (14, 6141560), (16, 5373865), (19, 4525360), (20, 4299092), (28, 3070780), (35, 2456624), (38, 2262680), (40, 2149546), (56, 1535390), (70, 1228312), (76, 1131340), (80, 1074773), (95, 905072), (112, 767695), (133, 646480), (140, 614156), (152, 565670), (190, 452536), (266, 323240), (280, 307078), (304, 282835), (380, 226268), (532, 161620), (560, 153539), (665, 129296), (760, 113134), (1064, 80810), (1330, 64648), (1520, 56567), (2128, 40405), (2660, 32324), (5320, 16162), (8081, 10640)]