12920075

素因数分解:

$5^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 19083600

約数和(自身を除く): 6163525

約数列:

[1, 5, 7, 25, 35, 49, 53, 175, 199, 245, 265, 371, 995, 1225, 1325, 1393, 1855, 2597, 4975, 6965, 9275, 9751, 10547, 12985, 34825, 48755, 52735, 64925, 73829, 243775, 263675, 369145, 516803, 1845725, 2584015, 12920075]

約数ペア:

[(1, 12920075), (5, 2584015), (7, 1845725), (25, 516803), (35, 369145), (49, 263675), (53, 243775), (175, 73829), (199, 64925), (245, 52735), (265, 48755), (371, 34825), (995, 12985), (1225, 10547), (1325, 9751), (1393, 9275), (1855, 6965), (2597, 4975)]