1275001640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2897731}}^1$

素因数の和:2897753

約数の個数: 32

約数和(自身を含む): 3129550560

約数和(自身を除く): 1854548920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2897731, 5795462, 11590924, 14488655, 23181848, 28977310, 31875041, 57954620, 63750082, 115909240, 127500164, 159375205, 255000328, 318750410, 637500820, 1275001640]

約数ペア:

[(1, 1275001640), (2, 637500820), (4, 318750410), (5, 255000328), (8, 159375205), (10, 127500164), (11, 115909240), (20, 63750082), (22, 57954620), (40, 31875041), (44, 28977310), (55, 23181848), (88, 14488655), (110, 11590924), (220, 5795462), (440, 2897731)]