82778000

素因数分解:

$2^4\times 5^3\times {\mathrm{41389}}^1$

素因数の和:41412

約数の個数: 40

約数和(自身を含む): 200162040

約数和(自身を除く): 117384040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 41389, 82778, 165556, 206945, 331112, 413890, 662224, 827780, 1034725, 1655560, 2069450, 3311120, 4138900, 5173625, 8277800, 10347250, 16555600, 20694500, 41389000, 82778000]

約数ペア:

[(1, 82778000), (2, 41389000), (4, 20694500), (5, 16555600), (8, 10347250), (10, 8277800), (16, 5173625), (20, 4138900), (25, 3311120), (40, 2069450), (50, 1655560), (80, 1034725), (100, 827780), (125, 662224), (200, 413890), (250, 331112), (400, 206945), (500, 165556), (1000, 82778), (2000, 41389)]