16942120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1051}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 42416640

約数和(自身を除く): 25474520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1051, 1240, 1612, 2015, 2102, 3224, 4030, 4204, 5255, 8060, 8408, 10510, 13663, 16120, 21020, 27326, 32581, 42040, 54652, 65162, 68315, 109304, 130324, 136630, 162905, 260648, 273260, 325810, 423553, 546520, 651620, 847106, 1303240, 1694212, 2117765, 3388424, 4235530, 8471060, 16942120]

約数ペア:

[(1, 16942120), (2, 8471060), (4, 4235530), (5, 3388424), (8, 2117765), (10, 1694212), (13, 1303240), (20, 847106), (26, 651620), (31, 546520), (40, 423553), (52, 325810), (62, 273260), (65, 260648), (104, 162905), (124, 136630), (130, 130324), (155, 109304), (248, 68315), (260, 65162), (310, 54652), (403, 42040), (520, 32581), (620, 27326), (806, 21020), (1051, 16120), (1240, 13663), (1612, 10510), (2015, 8408), (2102, 8060), (3224, 5255), (4030, 4204)]