56615320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{23203}}^1$

素因数の和:23275

約数の個数: 32

約数和(自身を含む): 129478320

約数和(自身を除く): 72863000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 23203, 46406, 92812, 116015, 185624, 232030, 464060, 928120, 1415383, 2830766, 5661532, 7076915, 11323064, 14153830, 28307660, 56615320]

約数ペア:

[(1, 56615320), (2, 28307660), (4, 14153830), (5, 11323064), (8, 7076915), (10, 5661532), (20, 2830766), (40, 1415383), (61, 928120), (122, 464060), (244, 232030), (305, 185624), (488, 116015), (610, 92812), (1220, 46406), (2440, 23203)]