126428000

素因数分解:

$2^5\times 5^3\times {\mathrm{31607}}^1$

素因数の和:31632

約数の個数: 48

約数和(自身を含む): 310643424

約数和(自身を除く): 184215424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 31607, 63214, 126428, 158035, 252856, 316070, 505712, 632140, 790175, 1011424, 1264280, 1580350, 2528560, 3160700, 3950875, 5057120, 6321400, 7901750, 12642800, 15803500, 25285600, 31607000, 63214000, 126428000]

約数ペア:

[(1, 126428000), (2, 63214000), (4, 31607000), (5, 25285600), (8, 15803500), (10, 12642800), (16, 7901750), (20, 6321400), (25, 5057120), (32, 3950875), (40, 3160700), (50, 2528560), (80, 1580350), (100, 1264280), (125, 1011424), (160, 790175), (200, 632140), (250, 505712), (400, 316070), (500, 252856), (800, 158035), (1000, 126428), (2000, 63214), (4000, 31607)]