13520060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 29568000

約数和(自身を除く): 16047940

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 199, 215, 316, 395, 398, 430, 790, 796, 860, 995, 1580, 1990, 3397, 3980, 6794, 8557, 13588, 15721, 16985, 17114, 31442, 33970, 34228, 42785, 62884, 67940, 78605, 85570, 157210, 171140, 314420, 676003, 1352006, 2704012, 3380015, 6760030, 13520060]

約数ペア:

[(1, 13520060), (2, 6760030), (4, 3380015), (5, 2704012), (10, 1352006), (20, 676003), (43, 314420), (79, 171140), (86, 157210), (158, 85570), (172, 78605), (199, 67940), (215, 62884), (316, 42785), (395, 34228), (398, 33970), (430, 31442), (790, 17114), (796, 16985), (860, 15721), (995, 13588), (1580, 8557), (1990, 6794), (3397, 3980)]