12135320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4273}}^1$

素因数の和:4355

約数の個数: 32

約数和(自身を含む): 27695520

約数和(自身を除く): 15560200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4273, 8546, 17092, 21365, 34184, 42730, 85460, 170920, 303383, 606766, 1213532, 1516915, 2427064, 3033830, 6067660, 12135320]

約数ペア:

[(1, 12135320), (2, 6067660), (4, 3033830), (5, 2427064), (8, 1516915), (10, 1213532), (20, 606766), (40, 303383), (71, 170920), (142, 85460), (284, 42730), (355, 34184), (568, 21365), (710, 17092), (1420, 8546), (2840, 4273)]