99904960

素因数分解:

$2^6\times 5^1\times {\mathrm{312203}}^1$

素因数の和:312220

約数の個数: 28

約数和(自身を含む): 237899448

約数和(自身を除く): 137994488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 312203, 624406, 1248812, 1561015, 2497624, 3122030, 4995248, 6244060, 9990496, 12488120, 19980992, 24976240, 49952480, 99904960]

約数ペア:

[(1, 99904960), (2, 49952480), (4, 24976240), (5, 19980992), (8, 12488120), (10, 9990496), (16, 6244060), (20, 4995248), (32, 3122030), (40, 2497624), (64, 1561015), (80, 1248812), (160, 624406), (320, 312203)]