80070400

素因数分解:

$2^8\times 5^2\times {\mathrm{12511}}^1$

素因数の和:12537

約数の個数: 54

約数和(自身を含む): 198202592

約数和(自身を除く): 118132192

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, 800, 1280, 1600, 3200, 6400, 12511, 25022, 50044, 62555, 100088, 125110, 200176, 250220, 312775, 400352, 500440, 625550, 800704, 1000880, 1251100, 1601408, 2001760, 2502200, 3202816, 4003520, 5004400, 8007040, 10008800, 16014080, 20017600, 40035200, 80070400]

約数ペア:

[(1, 80070400), (2, 40035200), (4, 20017600), (5, 16014080), (8, 10008800), (10, 8007040), (16, 5004400), (20, 4003520), (25, 3202816), (32, 2502200), (40, 2001760), (50, 1601408), (64, 1251100), (80, 1000880), (100, 800704), (128, 625550), (160, 500440), (200, 400352), (256, 312775), (320, 250220), (400, 200176), (640, 125110), (800, 100088), (1280, 62555), (1600, 50044), (3200, 25022), (6400, 12511)]