85908440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2460

約数の個数: 64

約数和(自身を含む): 206496000

約数和(自身を除く): 120587560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 899, 1160, 1240, 1798, 2389, 3596, 4495, 4778, 7192, 8990, 9556, 11945, 17980, 19112, 23890, 35960, 47780, 69281, 74059, 95560, 138562, 148118, 277124, 296236, 346405, 370295, 554248, 592472, 692810, 740590, 1385620, 1481180, 2147711, 2771240, 2962360, 4295422, 8590844, 10738555, 17181688, 21477110, 42954220, 85908440]

約数ペア:

[(1, 85908440), (2, 42954220), (4, 21477110), (5, 17181688), (8, 10738555), (10, 8590844), (20, 4295422), (29, 2962360), (31, 2771240), (40, 2147711), (58, 1481180), (62, 1385620), (116, 740590), (124, 692810), (145, 592472), (155, 554248), (232, 370295), (248, 346405), (290, 296236), (310, 277124), (580, 148118), (620, 138562), (899, 95560), (1160, 74059), (1240, 69281), (1798, 47780), (2389, 35960), (3596, 23890), (4495, 19112), (4778, 17980), (7192, 11945), (8990, 9556)]