8782240

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:565

約数の個数: 48

約数和(自身を含む): 20956320

約数和(自身を除く): 12174080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 419, 524, 655, 838, 1048, 1310, 1676, 2095, 2096, 2620, 3352, 4190, 4192, 5240, 6704, 8380, 10480, 13408, 16760, 20960, 33520, 54889, 67040, 109778, 219556, 274445, 439112, 548890, 878224, 1097780, 1756448, 2195560, 4391120, 8782240]

約数ペア:

[(1, 8782240), (2, 4391120), (4, 2195560), (5, 1756448), (8, 1097780), (10, 878224), (16, 548890), (20, 439112), (32, 274445), (40, 219556), (80, 109778), (131, 67040), (160, 54889), (262, 33520), (419, 20960), (524, 16760), (655, 13408), (838, 10480), (1048, 8380), (1310, 6704), (1676, 5240), (2095, 4192), (2096, 4190), (2620, 3352)]