2012102500

素因数分解:

$2^2\times 5^4\times {\mathrm{389}}^1\times {\mathrm{2069}}^1$

素因数の和:2482

約数の個数: 60

約数和(自身を含む): 4413509100

約数和(自身を除く): 2401406600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 389, 500, 625, 778, 1250, 1556, 1945, 2069, 2500, 3890, 4138, 7780, 8276, 9725, 10345, 19450, 20690, 38900, 41380, 48625, 51725, 97250, 103450, 194500, 206900, 243125, 258625, 486250, 517250, 804841, 972500, 1034500, 1293125, 1609682, 2586250, 3219364, 4024205, 5172500, 8048410, 16096820, 20121025, 40242050, 80484100, 100605125, 201210250, 402420500, 503025625, 1006051250, 2012102500]

約数ペア:

[(1, 2012102500), (2, 1006051250), (4, 503025625), (5, 402420500), (10, 201210250), (20, 100605125), (25, 80484100), (50, 40242050), (100, 20121025), (125, 16096820), (250, 8048410), (389, 5172500), (500, 4024205), (625, 3219364), (778, 2586250), (1250, 1609682), (1556, 1293125), (1945, 1034500), (2069, 972500), (2500, 804841), (3890, 517250), (4138, 486250), (7780, 258625), (8276, 243125), (9725, 206900), (10345, 194500), (19450, 103450), (20690, 97250), (38900, 51725), (41380, 48625)]