55533320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 129254400

約数和(自身を除く): 73721080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 109, 188, 218, 235, 271, 376, 436, 470, 542, 545, 872, 940, 1084, 1090, 1355, 1880, 2168, 2180, 2710, 4360, 5123, 5420, 10246, 10840, 12737, 20492, 25474, 25615, 29539, 40984, 50948, 51230, 59078, 63685, 101896, 102460, 118156, 127370, 147695, 204920, 236312, 254740, 295390, 509480, 590780, 1181560, 1388333, 2776666, 5553332, 6941665, 11106664, 13883330, 27766660, 55533320]

約数ペア:

[(1, 55533320), (2, 27766660), (4, 13883330), (5, 11106664), (8, 6941665), (10, 5553332), (20, 2776666), (40, 1388333), (47, 1181560), (94, 590780), (109, 509480), (188, 295390), (218, 254740), (235, 236312), (271, 204920), (376, 147695), (436, 127370), (470, 118156), (542, 102460), (545, 101896), (872, 63685), (940, 59078), (1084, 51230), (1090, 50948), (1355, 40984), (1880, 29539), (2168, 25615), (2180, 25474), (2710, 20492), (4360, 12737), (5123, 10840), (5420, 10246)]