73455280

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{9091}}^1$

素因数の和:9205

約数の個数: 40

約数和(自身を含む): 172493424

約数和(自身を除く): 99038144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 9091, 18182, 36364, 45455, 72728, 90910, 145456, 181820, 363640, 727280, 918191, 1836382, 3672764, 4590955, 7345528, 9181910, 14691056, 18363820, 36727640, 73455280]

約数ペア:

[(1, 73455280), (2, 36727640), (4, 18363820), (5, 14691056), (8, 9181910), (10, 7345528), (16, 4590955), (20, 3672764), (40, 1836382), (80, 918191), (101, 727280), (202, 363640), (404, 181820), (505, 145456), (808, 90910), (1010, 72728), (1616, 45455), (2020, 36364), (4040, 18182), (8080, 9091)]