2548540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1613}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 5423040

約数和(自身を除く): 2874500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1613, 3226, 6452, 8065, 16130, 32260, 127427, 254854, 509708, 637135, 1274270, 2548540]

約数ペア:

[(1, 2548540), (2, 1274270), (4, 637135), (5, 509708), (10, 254854), (20, 127427), (79, 32260), (158, 16130), (316, 8065), (395, 6452), (790, 3226), (1580, 1613)]