128339360

素因数分解:

$2^5\times 5^1\times {\mathrm{802121}}^1$

素因数の和:802136

約数の個数: 24

約数和(自身を含む): 303202116

約数和(自身を除く): 174862756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 802121, 1604242, 3208484, 4010605, 6416968, 8021210, 12833936, 16042420, 25667872, 32084840, 64169680, 128339360]

約数ペア:

[(1, 128339360), (2, 64169680), (4, 32084840), (5, 25667872), (8, 16042420), (10, 12833936), (16, 8021210), (20, 6416968), (32, 4010605), (40, 3208484), (80, 1604242), (160, 802121)]