27887320

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3539}}^1$

素因数の和:3747

約数の個数: 32

約数和(自身を含む): 63082800

約数和(自身を除く): 35195480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3539, 3940, 7078, 7880, 14156, 17695, 28312, 35390, 70780, 141560, 697183, 1394366, 2788732, 3485915, 5577464, 6971830, 13943660, 27887320]

約数ペア:

[(1, 27887320), (2, 13943660), (4, 6971830), (5, 5577464), (8, 3485915), (10, 2788732), (20, 1394366), (40, 697183), (197, 141560), (394, 70780), (788, 35390), (985, 28312), (1576, 17695), (1970, 14156), (3539, 7880), (3940, 7078)]