2549240

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{631}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 5801760

約数和(自身を除く): 3252520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 631, 808, 1010, 1262, 2020, 2524, 3155, 4040, 5048, 6310, 12620, 25240, 63731, 127462, 254924, 318655, 509848, 637310, 1274620, 2549240]

約数ペア:

[(1, 2549240), (2, 1274620), (4, 637310), (5, 509848), (8, 318655), (10, 254924), (20, 127462), (40, 63731), (101, 25240), (202, 12620), (404, 6310), (505, 5048), (631, 4040), (808, 3155), (1010, 2524), (1262, 2020)]