126784960

素因数分解:

$2^6\times 5^1\times {\mathrm{396203}}^1$

素因数の和:396220

約数の個数: 28

約数和(自身を含む): 301907448

約数和(自身を除く): 175122488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 396203, 792406, 1584812, 1981015, 3169624, 3962030, 6339248, 7924060, 12678496, 15848120, 25356992, 31696240, 63392480, 126784960]

約数ペア:

[(1, 126784960), (2, 63392480), (4, 31696240), (5, 25356992), (8, 15848120), (10, 12678496), (16, 7924060), (20, 6339248), (32, 3962030), (40, 3169624), (64, 1981015), (80, 1584812), (160, 792406), (320, 396203)]