25702000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 80

約数和(自身を含む): 63370944

約数和(自身を除く): 37668944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 125, 142, 181, 200, 250, 284, 355, 362, 400, 500, 568, 710, 724, 905, 1000, 1136, 1420, 1448, 1775, 1810, 2000, 2840, 2896, 3550, 3620, 4525, 5680, 7100, 7240, 8875, 9050, 12851, 14200, 14480, 17750, 18100, 22625, 25702, 28400, 35500, 36200, 45250, 51404, 64255, 71000, 72400, 90500, 102808, 128510, 142000, 181000, 205616, 257020, 321275, 362000, 514040, 642550, 1028080, 1285100, 1606375, 2570200, 3212750, 5140400, 6425500, 12851000, 25702000]

約数ペア:

[(1, 25702000), (2, 12851000), (4, 6425500), (5, 5140400), (8, 3212750), (10, 2570200), (16, 1606375), (20, 1285100), (25, 1028080), (40, 642550), (50, 514040), (71, 362000), (80, 321275), (100, 257020), (125, 205616), (142, 181000), (181, 142000), (200, 128510), (250, 102808), (284, 90500), (355, 72400), (362, 71000), (400, 64255), (500, 51404), (568, 45250), (710, 36200), (724, 35500), (905, 28400), (1000, 25702), (1136, 22625), (1420, 18100), (1448, 17750), (1775, 14480), (1810, 14200), (2000, 12851), (2840, 9050), (2896, 8875), (3550, 7240), (3620, 7100), (4525, 5680)]