77200825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 111086640

約数和(自身を除く): 33885815

約数列:

[1, 5, 13, 17, 25, 65, 85, 89, 157, 221, 325, 425, 445, 785, 1105, 1157, 1513, 2041, 2225, 2669, 3925, 5525, 5785, 7565, 10205, 13345, 13973, 19669, 28925, 34697, 37825, 51025, 66725, 69865, 98345, 173485, 181649, 237541, 349325, 491725, 867425, 908245, 1187705, 3088033, 4541225, 5938525, 15440165, 77200825]

約数ペア:

[(1, 77200825), (5, 15440165), (13, 5938525), (17, 4541225), (25, 3088033), (65, 1187705), (85, 908245), (89, 867425), (157, 491725), (221, 349325), (325, 237541), (425, 181649), (445, 173485), (785, 98345), (1105, 69865), (1157, 66725), (1513, 51025), (2041, 37825), (2225, 34697), (2669, 28925), (3925, 19669), (5525, 13973), (5785, 13345), (7565, 10205)]