78280120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{29209}}^1$

素因数の和:29287

約数の個数: 32

約数和(自身を含む): 178765200

約数和(自身を除く): 100485080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 29209, 58418, 116836, 146045, 233672, 292090, 584180, 1168360, 1957003, 3914006, 7828012, 9785015, 15656024, 19570030, 39140060, 78280120]

約数ペア:

[(1, 78280120), (2, 39140060), (4, 19570030), (5, 15656024), (8, 9785015), (10, 7828012), (20, 3914006), (40, 1957003), (67, 1168360), (134, 584180), (268, 292090), (335, 233672), (536, 146045), (670, 116836), (1340, 58418), (2680, 29209)]