51139925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 72376320

約数和(自身を除く): 21236395

約数列:

[1, 5, 19, 23, 25, 31, 95, 115, 151, 155, 437, 475, 575, 589, 713, 755, 775, 2185, 2869, 2945, 3473, 3565, 3775, 4681, 10925, 13547, 14345, 14725, 17365, 17825, 23405, 65987, 67735, 71725, 86825, 88939, 107663, 117025, 329935, 338675, 444695, 538315, 1649675, 2045597, 2223475, 2691575, 10227985, 51139925]

約数ペア:

[(1, 51139925), (5, 10227985), (19, 2691575), (23, 2223475), (25, 2045597), (31, 1649675), (95, 538315), (115, 444695), (151, 338675), (155, 329935), (437, 117025), (475, 107663), (575, 88939), (589, 86825), (713, 71725), (755, 67735), (775, 65987), (2185, 23405), (2869, 17825), (2945, 17365), (3473, 14725), (3565, 14345), (3775, 13547), (4681, 10925)]