22980920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 54743040

約数和(自身を除く): 31762120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 431, 620, 860, 862, 1240, 1333, 1720, 1724, 2155, 2666, 3448, 4310, 5332, 6665, 8620, 10664, 13330, 13361, 17240, 18533, 26660, 26722, 37066, 53320, 53444, 66805, 74132, 92665, 106888, 133610, 148264, 185330, 267220, 370660, 534440, 574523, 741320, 1149046, 2298092, 2872615, 4596184, 5745230, 11490460, 22980920]

約数ペア:

[(1, 22980920), (2, 11490460), (4, 5745230), (5, 4596184), (8, 2872615), (10, 2298092), (20, 1149046), (31, 741320), (40, 574523), (43, 534440), (62, 370660), (86, 267220), (124, 185330), (155, 148264), (172, 133610), (215, 106888), (248, 92665), (310, 74132), (344, 66805), (430, 53444), (431, 53320), (620, 37066), (860, 26722), (862, 26660), (1240, 18533), (1333, 17240), (1720, 13361), (1724, 13330), (2155, 10664), (2666, 8620), (3448, 6665), (4310, 5332)]