622480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:295

約数の個数: 40

約数和(自身を含む): 1499904

約数和(自身を除く): 877424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 251, 310, 496, 502, 620, 1004, 1240, 1255, 2008, 2480, 2510, 4016, 5020, 7781, 10040, 15562, 20080, 31124, 38905, 62248, 77810, 124496, 155620, 311240, 622480]

約数ペア:

[(1, 622480), (2, 311240), (4, 155620), (5, 124496), (8, 77810), (10, 62248), (16, 38905), (20, 31124), (31, 20080), (40, 15562), (62, 10040), (80, 7781), (124, 5020), (155, 4016), (248, 2510), (251, 2480), (310, 2008), (496, 1255), (502, 1240), (620, 1004)]