107980000

素因数分解:

$2^5\times 5^4\times {\mathrm{5399}}^1$

素因数の和:5429

約数の個数: 60

約数和(自身を含む): 265696200

約数和(自身を除く): 157716200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 625, 800, 1000, 1250, 2000, 2500, 4000, 5000, 5399, 10000, 10798, 20000, 21596, 26995, 43192, 53990, 86384, 107980, 134975, 172768, 215960, 269950, 431920, 539900, 674875, 863840, 1079800, 1349750, 2159600, 2699500, 3374375, 4319200, 5399000, 6748750, 10798000, 13497500, 21596000, 26995000, 53990000, 107980000]

約数ペア:

[(1, 107980000), (2, 53990000), (4, 26995000), (5, 21596000), (8, 13497500), (10, 10798000), (16, 6748750), (20, 5399000), (25, 4319200), (32, 3374375), (40, 2699500), (50, 2159600), (80, 1349750), (100, 1079800), (125, 863840), (160, 674875), (200, 539900), (250, 431920), (400, 269950), (500, 215960), (625, 172768), (800, 134975), (1000, 107980), (1250, 86384), (2000, 53990), (2500, 43192), (4000, 26995), (5000, 21596), (5399, 20000), (10000, 10798)]