80218775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{953}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 125866944

約数和(自身を除く): 45648169

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 175, 185, 259, 325, 455, 481, 925, 953, 1295, 2275, 2405, 3367, 4765, 6475, 6671, 12025, 12389, 16835, 23825, 33355, 35261, 61945, 84175, 86723, 166775, 176305, 246827, 309725, 433615, 458393, 881525, 1234135, 2168075, 2291965, 3208751, 6170675, 11459825, 16043755, 80218775]

約数ペア:

[(1, 80218775), (5, 16043755), (7, 11459825), (13, 6170675), (25, 3208751), (35, 2291965), (37, 2168075), (65, 1234135), (91, 881525), (175, 458393), (185, 433615), (259, 309725), (325, 246827), (455, 176305), (481, 166775), (925, 86723), (953, 84175), (1295, 61945), (2275, 35261), (2405, 33355), (3367, 23825), (4765, 16835), (6475, 12389), (6671, 12025)]