13318850

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 26013960

約数和(自身を除く): 12695110

約数列:

[1, 2, 5, 10, 25, 41, 50, 73, 82, 89, 146, 178, 205, 365, 410, 445, 730, 890, 1025, 1825, 2050, 2225, 2993, 3649, 3650, 4450, 5986, 6497, 7298, 12994, 14965, 18245, 29930, 32485, 36490, 64970, 74825, 91225, 149650, 162425, 182450, 266377, 324850, 532754, 1331885, 2663770, 6659425, 13318850]

約数ペア:

[(1, 13318850), (2, 6659425), (5, 2663770), (10, 1331885), (25, 532754), (41, 324850), (50, 266377), (73, 182450), (82, 162425), (89, 149650), (146, 91225), (178, 74825), (205, 64970), (365, 36490), (410, 32485), (445, 29930), (730, 18245), (890, 14965), (1025, 12994), (1825, 7298), (2050, 6497), (2225, 5986), (2993, 4450), (3649, 3650)]