252400520

素因数分解:

$2^3\times 5^1\times {\mathrm{997}}^1\times {\mathrm{6329}}^1$

素因数の和:7337

約数の個数: 32

約数和(自身を含む): 568560600

約数和(自身を除く): 316160080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 997, 1994, 3988, 4985, 6329, 7976, 9970, 12658, 19940, 25316, 31645, 39880, 50632, 63290, 126580, 253160, 6310013, 12620026, 25240052, 31550065, 50480104, 63100130, 126200260, 252400520]

約数ペア:

[(1, 252400520), (2, 126200260), (4, 63100130), (5, 50480104), (8, 31550065), (10, 25240052), (20, 12620026), (40, 6310013), (997, 253160), (1994, 126580), (3988, 63290), (4985, 50632), (6329, 39880), (7976, 31645), (9970, 25316), (12658, 19940)]