291240080

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{26573}}^1$

素因数の和:26723

約数の個数: 40

約数和(自身を含む): 682101432

約数和(自身を除く): 390861352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 26573, 53146, 106292, 132865, 212584, 265730, 425168, 531460, 1062920, 2125840, 3640501, 7281002, 14562004, 18202505, 29124008, 36405010, 58248016, 72810020, 145620040, 291240080]

約数ペア:

[(1, 291240080), (2, 145620040), (4, 72810020), (5, 58248016), (8, 36405010), (10, 29124008), (16, 18202505), (20, 14562004), (40, 7281002), (80, 3640501), (137, 2125840), (274, 1062920), (548, 531460), (685, 425168), (1096, 265730), (1370, 212584), (2192, 132865), (2740, 106292), (5480, 53146), (10960, 26573)]