4391120

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:563

約数の個数: 40

約数和(自身を含む): 10311840

約数和(自身を除く): 5920720

約数列:

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

約数ペア:

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