126398000

素因数分解:

$2^4\times 5^3\times {\mathrm{63199}}^1$

素因数の和:63222

約数の個数: 40

約数和(自身を含む): 305635200

約数和(自身を除く): 179237200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 63199, 126398, 252796, 315995, 505592, 631990, 1011184, 1263980, 1579975, 2527960, 3159950, 5055920, 6319900, 7899875, 12639800, 15799750, 25279600, 31599500, 63199000, 126398000]

約数ペア:

[(1, 126398000), (2, 63199000), (4, 31599500), (5, 25279600), (8, 15799750), (10, 12639800), (16, 7899875), (20, 6319900), (25, 5055920), (40, 3159950), (50, 2527960), (80, 1579975), (100, 1263980), (125, 1011184), (200, 631990), (250, 505592), (400, 315995), (500, 252796), (1000, 126398), (2000, 63199)]