164893240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{58061}}^1$

素因数の和:58143

約数の個数: 32

約数和(自身を含む): 376241760

約数和(自身を除く): 211348520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 58061, 116122, 232244, 290305, 464488, 580610, 1161220, 2322440, 4122331, 8244662, 16489324, 20611655, 32978648, 41223310, 82446620, 164893240]

約数ペア:

[(1, 164893240), (2, 82446620), (4, 41223310), (5, 32978648), (8, 20611655), (10, 16489324), (20, 8244662), (40, 4122331), (71, 2322440), (142, 1161220), (284, 580610), (355, 464488), (568, 290305), (710, 232244), (1420, 116122), (2840, 58061)]