2497788125

素因数分解:

$5^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19687}}^1$

素因数の和:19743

約数の個数: 40

約数和(自身を含む): 3690318720

約数和(自身を除く): 1192530595

約数列:

[1, 5, 7, 25, 29, 35, 125, 145, 175, 203, 625, 725, 875, 1015, 3625, 4375, 5075, 18125, 19687, 25375, 98435, 126875, 137809, 492175, 570923, 689045, 2460875, 2854615, 3445225, 3996461, 12304375, 14273075, 17226125, 19982305, 71365375, 86130625, 99911525, 356826875, 499557625, 2497788125]

約数ペア:

[(1, 2497788125), (5, 499557625), (7, 356826875), (25, 99911525), (29, 86130625), (35, 71365375), (125, 19982305), (145, 17226125), (175, 14273075), (203, 12304375), (625, 3996461), (725, 3445225), (875, 2854615), (1015, 2460875), (3625, 689045), (4375, 570923), (5075, 492175), (18125, 137809), (19687, 126875), (25375, 98435)]