1426480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1645

約数の個数: 40

約数和(自身を含む): 3620304

約数和(自身を除く): 2193824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1621, 3242, 6484, 8105, 12968, 16210, 17831, 25936, 32420, 35662, 64840, 71324, 89155, 129680, 142648, 178310, 285296, 356620, 713240, 1426480]

約数ペア:

[(1, 1426480), (2, 713240), (4, 356620), (5, 285296), (8, 178310), (10, 142648), (11, 129680), (16, 89155), (20, 71324), (22, 64840), (40, 35662), (44, 32420), (55, 25936), (80, 17831), (88, 16210), (110, 12968), (176, 8105), (220, 6484), (440, 3242), (880, 1621)]