78338480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89021}}^1$

素因数の和:89045

約数の個数: 40

約数和(自身を含む): 198697104

約数和(自身を除く): 120358624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 89021, 178042, 356084, 445105, 712168, 890210, 979231, 1424336, 1780420, 1958462, 3560840, 3916924, 4896155, 7121680, 7833848, 9792310, 15667696, 19584620, 39169240, 78338480]

約数ペア:

[(1, 78338480), (2, 39169240), (4, 19584620), (5, 15667696), (8, 9792310), (10, 7833848), (11, 7121680), (16, 4896155), (20, 3916924), (22, 3560840), (40, 1958462), (44, 1780420), (55, 1424336), (80, 979231), (88, 890210), (110, 712168), (176, 445105), (220, 356084), (440, 178042), (880, 89021)]