28355080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1814

約数の個数: 64

約数和(自身を含む): 70963200

約数和(自身を除く): 42608120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 1759, 2015, 3224, 3518, 4030, 7036, 8060, 8795, 14072, 16120, 17590, 22867, 35180, 45734, 54529, 70360, 91468, 109058, 114335, 182936, 218116, 228670, 272645, 436232, 457340, 545290, 708877, 914680, 1090580, 1417754, 2181160, 2835508, 3544385, 5671016, 7088770, 14177540, 28355080]

約数ペア:

[(1, 28355080), (2, 14177540), (4, 7088770), (5, 5671016), (8, 3544385), (10, 2835508), (13, 2181160), (20, 1417754), (26, 1090580), (31, 914680), (40, 708877), (52, 545290), (62, 457340), (65, 436232), (104, 272645), (124, 228670), (130, 218116), (155, 182936), (248, 114335), (260, 109058), (310, 91468), (403, 70360), (520, 54529), (620, 45734), (806, 35180), (1240, 22867), (1612, 17590), (1759, 16120), (2015, 14072), (3224, 8795), (3518, 8060), (4030, 7036)]