5246720

素因数分解:

$2^8\times 5^1\times {\mathrm{4099}}^1$

素因数の和:4120

約数の個数: 36

約数和(自身を含む): 12570600

約数和(自身を除く): 7323880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 4099, 8198, 16396, 20495, 32792, 40990, 65584, 81980, 131168, 163960, 262336, 327920, 524672, 655840, 1049344, 1311680, 2623360, 5246720]

約数ペア:

[(1, 5246720), (2, 2623360), (4, 1311680), (5, 1049344), (8, 655840), (10, 524672), (16, 327920), (20, 262336), (32, 163960), (40, 131168), (64, 81980), (80, 65584), (128, 40990), (160, 32792), (256, 20495), (320, 16396), (640, 8198), (1280, 4099)]