65089820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1663}}^1$

素因数の和:1794

約数の個数: 48

約数和(自身を含む): 145367040

約数和(自身を除く): 80277220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1663, 1957, 2060, 3326, 3914, 6652, 7828, 8315, 9785, 16630, 19570, 31597, 33260, 39140, 63194, 126388, 157985, 171289, 315970, 342578, 631940, 685156, 856445, 1712890, 3254491, 3425780, 6508982, 13017964, 16272455, 32544910, 65089820]

約数ペア:

[(1, 65089820), (2, 32544910), (4, 16272455), (5, 13017964), (10, 6508982), (19, 3425780), (20, 3254491), (38, 1712890), (76, 856445), (95, 685156), (103, 631940), (190, 342578), (206, 315970), (380, 171289), (412, 157985), (515, 126388), (1030, 63194), (1663, 39140), (1957, 33260), (2060, 31597), (3326, 19570), (3914, 16630), (6652, 9785), (7828, 8315)]