1055000

素因数分解:

$2^3\times 5^4\times {\mathrm{211}}^1$

素因数の和:237

約数の個数: 40

約数和(自身を含む): 2483580

約数和(自身を除く): 1428580

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 211, 250, 422, 500, 625, 844, 1000, 1055, 1250, 1688, 2110, 2500, 4220, 5000, 5275, 8440, 10550, 21100, 26375, 42200, 52750, 105500, 131875, 211000, 263750, 527500, 1055000]

約数ペア:

[(1, 1055000), (2, 527500), (4, 263750), (5, 211000), (8, 131875), (10, 105500), (20, 52750), (25, 42200), (40, 26375), (50, 21100), (100, 10550), (125, 8440), (200, 5275), (211, 5000), (250, 4220), (422, 2500), (500, 2110), (625, 1688), (844, 1250), (1000, 1055)]