80278715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 109264896

約数和(自身を除く): 28986181

約数列:

[1, 5, 11, 37, 55, 103, 185, 383, 407, 515, 1133, 1915, 2035, 3811, 4213, 5665, 14171, 19055, 21065, 39449, 41921, 70855, 155881, 197245, 209605, 433939, 779405, 1459613, 2169695, 7298065, 16055743, 80278715]

約数ペア:

[(1, 80278715), (5, 16055743), (11, 7298065), (37, 2169695), (55, 1459613), (103, 779405), (185, 433939), (383, 209605), (407, 197245), (515, 155881), (1133, 70855), (1915, 41921), (2035, 39449), (3811, 21065), (4213, 19055), (5665, 14171)]