80641225

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 122214400

約数和(自身を除く): 41573175

約数列:

[1, 5, 7, 19, 25, 35, 79, 95, 133, 175, 307, 395, 475, 553, 665, 1501, 1535, 1975, 2149, 2765, 3325, 5833, 7505, 7675, 10507, 10745, 13825, 24253, 29165, 37525, 40831, 52535, 53725, 121265, 145825, 169771, 204155, 262675, 460807, 606325, 848855, 1020775, 2304035, 3225649, 4244275, 11520175, 16128245, 80641225]

約数ペア:

[(1, 80641225), (5, 16128245), (7, 11520175), (19, 4244275), (25, 3225649), (35, 2304035), (79, 1020775), (95, 848855), (133, 606325), (175, 460807), (307, 262675), (395, 204155), (475, 169771), (553, 145825), (665, 121265), (1501, 53725), (1535, 52535), (1975, 40831), (2149, 37525), (2765, 29165), (3325, 24253), (5833, 13825), (7505, 10745), (7675, 10507)]