23117320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 54512640

約数和(自身を除く): 31395320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 181, 206, 248, 310, 362, 412, 515, 620, 724, 824, 905, 1030, 1240, 1448, 1810, 2060, 3193, 3620, 4120, 5611, 6386, 7240, 11222, 12772, 15965, 18643, 22444, 25544, 28055, 31930, 37286, 44888, 56110, 63860, 74572, 93215, 112220, 127720, 149144, 186430, 224440, 372860, 577933, 745720, 1155866, 2311732, 2889665, 4623464, 5779330, 11558660, 23117320]

約数ペア:

[(1, 23117320), (2, 11558660), (4, 5779330), (5, 4623464), (8, 2889665), (10, 2311732), (20, 1155866), (31, 745720), (40, 577933), (62, 372860), (103, 224440), (124, 186430), (155, 149144), (181, 127720), (206, 112220), (248, 93215), (310, 74572), (362, 63860), (412, 56110), (515, 44888), (620, 37286), (724, 31930), (824, 28055), (905, 25544), (1030, 22444), (1240, 18643), (1448, 15965), (1810, 12772), (2060, 11222), (3193, 7240), (3620, 6386), (4120, 5611)]