86480500

素因数分解:

$2^2\times 5^3\times {\mathrm{257}}^1\times {\mathrm{673}}^1$

素因数の和:949

約数の個数: 48

約数和(自身を含む): 189890064

約数和(自身を除く): 103409564

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 257, 500, 514, 673, 1028, 1285, 1346, 2570, 2692, 3365, 5140, 6425, 6730, 12850, 13460, 16825, 25700, 32125, 33650, 64250, 67300, 84125, 128500, 168250, 172961, 336500, 345922, 691844, 864805, 1729610, 3459220, 4324025, 8648050, 17296100, 21620125, 43240250, 86480500]

約数ペア:

[(1, 86480500), (2, 43240250), (4, 21620125), (5, 17296100), (10, 8648050), (20, 4324025), (25, 3459220), (50, 1729610), (100, 864805), (125, 691844), (250, 345922), (257, 336500), (500, 172961), (514, 168250), (673, 128500), (1028, 84125), (1285, 67300), (1346, 64250), (2570, 33650), (2692, 32125), (3365, 25700), (5140, 16825), (6425, 13460), (6730, 12850)]