84370400

素因数分解:

$2^5\times 5^2\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:684

約数の個数: 72

約数和(自身を含む): 207267984

約数和(自身を除く): 122897584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 263, 400, 401, 526, 800, 802, 1052, 1315, 1604, 2005, 2104, 2630, 3208, 4010, 4208, 5260, 6416, 6575, 8020, 8416, 10025, 10520, 12832, 13150, 16040, 20050, 21040, 26300, 32080, 40100, 42080, 52600, 64160, 80200, 105200, 105463, 160400, 210400, 210926, 320800, 421852, 527315, 843704, 1054630, 1687408, 2109260, 2636575, 3374816, 4218520, 5273150, 8437040, 10546300, 16874080, 21092600, 42185200, 84370400]

約数ペア:

[(1, 84370400), (2, 42185200), (4, 21092600), (5, 16874080), (8, 10546300), (10, 8437040), (16, 5273150), (20, 4218520), (25, 3374816), (32, 2636575), (40, 2109260), (50, 1687408), (80, 1054630), (100, 843704), (160, 527315), (200, 421852), (263, 320800), (400, 210926), (401, 210400), (526, 160400), (800, 105463), (802, 105200), (1052, 80200), (1315, 64160), (1604, 52600), (2005, 42080), (2104, 40100), (2630, 32080), (3208, 26300), (4010, 21040), (4208, 20050), (5260, 16040), (6416, 13150), (6575, 12832), (8020, 10520), (8416, 10025)]