6645625

素因数分解:

$5^4\times 7^3\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 40

約数和(自身を含む): 9996800

約数和(自身を除く): 3351175

約数列:

[1, 5, 7, 25, 31, 35, 49, 125, 155, 175, 217, 245, 343, 625, 775, 875, 1085, 1225, 1519, 1715, 3875, 4375, 5425, 6125, 7595, 8575, 10633, 19375, 27125, 30625, 37975, 42875, 53165, 135625, 189875, 214375, 265825, 949375, 1329125, 6645625]

約数ペア:

[(1, 6645625), (5, 1329125), (7, 949375), (25, 265825), (31, 214375), (35, 189875), (49, 135625), (125, 53165), (155, 42875), (175, 37975), (217, 30625), (245, 27125), (343, 19375), (625, 10633), (775, 8575), (875, 7595), (1085, 6125), (1225, 5425), (1519, 4375), (1715, 3875)]