49620220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 113107680

約数和(自身を除く): 63487460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1373, 1390, 1807, 2746, 2780, 3614, 5492, 6865, 7228, 9035, 13730, 17849, 18070, 27460, 35698, 36140, 71396, 89245, 178490, 190847, 356980, 381694, 763388, 954235, 1908470, 2481011, 3816940, 4962022, 9924044, 12405055, 24810110, 49620220]

約数ペア:

[(1, 49620220), (2, 24810110), (4, 12405055), (5, 9924044), (10, 4962022), (13, 3816940), (20, 2481011), (26, 1908470), (52, 954235), (65, 763388), (130, 381694), (139, 356980), (260, 190847), (278, 178490), (556, 89245), (695, 71396), (1373, 36140), (1390, 35698), (1807, 27460), (2746, 18070), (2780, 17849), (3614, 13730), (5492, 9035), (6865, 7228)]