19952480

素因数分解:

$2^5\times 5^1\times {\mathrm{124703}}^1$

素因数の和:124718

約数の個数: 24

約数和(自身を含む): 47138112

約数和(自身を除く): 27185632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 124703, 249406, 498812, 623515, 997624, 1247030, 1995248, 2494060, 3990496, 4988120, 9976240, 19952480]

約数ペア:

[(1, 19952480), (2, 9976240), (4, 4988120), (5, 3990496), (8, 2494060), (10, 1995248), (16, 1247030), (20, 997624), (32, 623515), (40, 498812), (80, 249406), (160, 124703)]