71729240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163021}}^1$

素因数の和:163043

約数の個数: 32

約数和(自身を含む): 176063760

約数和(自身を除く): 104334520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 163021, 326042, 652084, 815105, 1304168, 1630210, 1793231, 3260420, 3586462, 6520840, 7172924, 8966155, 14345848, 17932310, 35864620, 71729240]

約数ペア:

[(1, 71729240), (2, 35864620), (4, 17932310), (5, 14345848), (8, 8966155), (10, 7172924), (11, 6520840), (20, 3586462), (22, 3260420), (40, 1793231), (44, 1630210), (55, 1304168), (88, 815105), (110, 652084), (220, 326042), (440, 163021)]