139563520

素因数分解:

$2^9\times 5^1\times {\mathrm{54517}}^1$

素因数の和:54540

約数の個数: 40

約数和(自身を含む): 334631484

約数和(自身を除く): 195067964

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 54517, 109034, 218068, 272585, 436136, 545170, 872272, 1090340, 1744544, 2180680, 3489088, 4361360, 6978176, 8722720, 13956352, 17445440, 27912704, 34890880, 69781760, 139563520]

約数ペア:

[(1, 139563520), (2, 69781760), (4, 34890880), (5, 27912704), (8, 17445440), (10, 13956352), (16, 8722720), (20, 6978176), (32, 4361360), (40, 3489088), (64, 2180680), (80, 1744544), (128, 1090340), (160, 872272), (256, 545170), (320, 436136), (512, 272585), (640, 218068), (1280, 109034), (2560, 54517)]