2774360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1613}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 6391440

約数和(自身を除く): 3617080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1613, 1720, 3226, 6452, 8065, 12904, 16130, 32260, 64520, 69359, 138718, 277436, 346795, 554872, 693590, 1387180, 2774360]

約数ペア:

[(1, 2774360), (2, 1387180), (4, 693590), (5, 554872), (8, 346795), (10, 277436), (20, 138718), (40, 69359), (43, 64520), (86, 32260), (172, 16130), (215, 12904), (344, 8065), (430, 6452), (860, 3226), (1613, 1720)]