143905040

素因数分解:

$2^4\times 5^1\times {\mathrm{1798813}}^1$

素因数の和:1798826

約数の個数: 20

約数和(自身を含む): 334579404

約数和(自身を除く): 190674364

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1798813, 3597626, 7195252, 8994065, 14390504, 17988130, 28781008, 35976260, 71952520, 143905040]

約数ペア:

[(1, 143905040), (2, 71952520), (4, 35976260), (5, 28781008), (8, 17988130), (10, 14390504), (16, 8994065), (20, 7195252), (40, 3597626), (80, 1798813)]