25860950

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^2\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 36

約数和(自身を含む): 49254660

約数和(自身を除く): 23393710

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 139, 278, 305, 610, 695, 1390, 1525, 3050, 3475, 3721, 6950, 7442, 8479, 16958, 18605, 37210, 42395, 84790, 93025, 186050, 211975, 423950, 517219, 1034438, 2586095, 5172190, 12930475, 25860950]

約数ペア:

[(1, 25860950), (2, 12930475), (5, 5172190), (10, 2586095), (25, 1034438), (50, 517219), (61, 423950), (122, 211975), (139, 186050), (278, 93025), (305, 84790), (610, 42395), (695, 37210), (1390, 18605), (1525, 16958), (3050, 8479), (3475, 7442), (3721, 6950)]