39904375

素因数分解:

$5^4\times 7^2\times {\mathrm{1303}}^1$

素因数の和:1337

約数の個数: 30

約数和(自身を含む): 58050168

約数和(自身を除く): 18145793

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 625, 875, 1225, 1303, 4375, 6125, 6515, 9121, 30625, 32575, 45605, 63847, 162875, 228025, 319235, 814375, 1140125, 1596175, 5700625, 7980875, 39904375]

約数ペア:

[(1, 39904375), (5, 7980875), (7, 5700625), (25, 1596175), (35, 1140125), (49, 814375), (125, 319235), (175, 228025), (245, 162875), (625, 63847), (875, 45605), (1225, 32575), (1303, 30625), (4375, 9121), (6125, 6515)]