80512216

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{491}}^1$

素因数の和:799

約数の個数: 32

約数和(自身を含む): 153504000

約数和(自身を除く): 72991784

約数列:

[1, 2, 4, 8, 103, 199, 206, 398, 412, 491, 796, 824, 982, 1592, 1964, 3928, 20497, 40994, 50573, 81988, 97709, 101146, 163976, 195418, 202292, 390836, 404584, 781672, 10064027, 20128054, 40256108, 80512216]

約数ペア:

[(1, 80512216), (2, 40256108), (4, 20128054), (8, 10064027), (103, 781672), (199, 404584), (206, 390836), (398, 202292), (412, 195418), (491, 163976), (796, 101146), (824, 97709), (982, 81988), (1592, 50573), (1964, 40994), (3928, 20497)]