9946820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 22870848

約数和(自身を除く): 12924028

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 130, 134, 260, 268, 335, 571, 670, 871, 1142, 1340, 1742, 2284, 2855, 3484, 4355, 5710, 7423, 8710, 11420, 14846, 17420, 29692, 37115, 38257, 74230, 76514, 148460, 153028, 191285, 382570, 497341, 765140, 994682, 1989364, 2486705, 4973410, 9946820]

約数ペア:

[(1, 9946820), (2, 4973410), (4, 2486705), (5, 1989364), (10, 994682), (13, 765140), (20, 497341), (26, 382570), (52, 191285), (65, 153028), (67, 148460), (130, 76514), (134, 74230), (260, 38257), (268, 37115), (335, 29692), (571, 17420), (670, 14846), (871, 11420), (1142, 8710), (1340, 7423), (1742, 5710), (2284, 4355), (2855, 3484)]