28995320

素因数分解:

$2^3\times 5^1\times {\mathrm{347}}^1\times {\mathrm{2089}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 65458800

約数和(自身を除く): 36463480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 347, 694, 1388, 1735, 2089, 2776, 3470, 4178, 6940, 8356, 10445, 13880, 16712, 20890, 41780, 83560, 724883, 1449766, 2899532, 3624415, 5799064, 7248830, 14497660, 28995320]

約数ペア:

[(1, 28995320), (2, 14497660), (4, 7248830), (5, 5799064), (8, 3624415), (10, 2899532), (20, 1449766), (40, 724883), (347, 83560), (694, 41780), (1388, 20890), (1735, 16712), (2089, 13880), (2776, 10445), (3470, 8356), (4178, 6940)]