2516240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:527

約数の個数: 40

約数和(自身を含む): 5946048

約数和(自身を除く): 3429808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 443, 568, 710, 886, 1136, 1420, 1772, 2215, 2840, 3544, 4430, 5680, 7088, 8860, 17720, 31453, 35440, 62906, 125812, 157265, 251624, 314530, 503248, 629060, 1258120, 2516240]

約数ペア:

[(1, 2516240), (2, 1258120), (4, 629060), (5, 503248), (8, 314530), (10, 251624), (16, 157265), (20, 125812), (40, 62906), (71, 35440), (80, 31453), (142, 17720), (284, 8860), (355, 7088), (443, 5680), (568, 4430), (710, 3544), (886, 2840), (1136, 2215), (1420, 1772)]