86475740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10729}}^1$

素因数の和:10782

約数の個数: 48

約数和(自身を含む): 201895680

約数和(自身を除く): 115419940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 10729, 21458, 42916, 53645, 107290, 139477, 214580, 278954, 332599, 557908, 665198, 697385, 1330396, 1394770, 1662995, 2789540, 3325990, 4323787, 6651980, 8647574, 17295148, 21618935, 43237870, 86475740]

約数ペア:

[(1, 86475740), (2, 43237870), (4, 21618935), (5, 17295148), (10, 8647574), (13, 6651980), (20, 4323787), (26, 3325990), (31, 2789540), (52, 1662995), (62, 1394770), (65, 1330396), (124, 697385), (130, 665198), (155, 557908), (260, 332599), (310, 278954), (403, 214580), (620, 139477), (806, 107290), (1612, 53645), (2015, 42916), (4030, 21458), (8060, 10729)]