4870400

素因数分解:

$2^8\times 5^2\times {\mathrm{761}}^1$

素因数の和:787

約数の個数: 54

約数和(自身を含む): 12070842

約数和(自身を除く): 7200442

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 761, 800, 1280, 1522, 1600, 3044, 3200, 3805, 6088, 6400, 7610, 12176, 15220, 19025, 24352, 30440, 38050, 48704, 60880, 76100, 97408, 121760, 152200, 194816, 243520, 304400, 487040, 608800, 974080, 1217600, 2435200, 4870400]

約数ペア:

[(1, 4870400), (2, 2435200), (4, 1217600), (5, 974080), (8, 608800), (10, 487040), (16, 304400), (20, 243520), (25, 194816), (32, 152200), (40, 121760), (50, 97408), (64, 76100), (80, 60880), (100, 48704), (128, 38050), (160, 30440), (200, 24352), (256, 19025), (320, 15220), (400, 12176), (640, 7610), (761, 6400), (800, 6088), (1280, 3805), (1522, 3200), (1600, 3044)]