104260280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 239928480

約数和(自身を除く): 135668200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 131, 197, 202, 262, 394, 404, 505, 524, 655, 788, 808, 985, 1010, 1048, 1310, 1576, 1970, 2020, 2620, 3940, 4040, 5240, 7880, 13231, 19897, 25807, 26462, 39794, 51614, 52924, 66155, 79588, 99485, 103228, 105848, 129035, 132310, 159176, 198970, 206456, 258070, 264620, 397940, 516140, 529240, 795880, 1032280, 2606507, 5213014, 10426028, 13032535, 20852056, 26065070, 52130140, 104260280]

約数ペア:

[(1, 104260280), (2, 52130140), (4, 26065070), (5, 20852056), (8, 13032535), (10, 10426028), (20, 5213014), (40, 2606507), (101, 1032280), (131, 795880), (197, 529240), (202, 516140), (262, 397940), (394, 264620), (404, 258070), (505, 206456), (524, 198970), (655, 159176), (788, 132310), (808, 129035), (985, 105848), (1010, 103228), (1048, 99485), (1310, 79588), (1576, 66155), (1970, 52924), (2020, 51614), (2620, 39794), (3940, 26462), (4040, 25807), (5240, 19897), (7880, 13231)]