80354950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{683}}^1$

素因数の和:889

約数の個数: 48

約数和(自身を含む): 162083376

約数和(自身を除く): 81728426

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 181, 325, 362, 650, 683, 905, 1366, 1810, 2353, 3415, 4525, 4706, 6830, 8879, 9050, 11765, 17075, 17758, 23530, 34150, 44395, 58825, 88790, 117650, 123623, 221975, 247246, 443950, 618115, 1236230, 1607099, 3090575, 3214198, 6181150, 8035495, 16070990, 40177475, 80354950]

約数ペア:

[(1, 80354950), (2, 40177475), (5, 16070990), (10, 8035495), (13, 6181150), (25, 3214198), (26, 3090575), (50, 1607099), (65, 1236230), (130, 618115), (181, 443950), (325, 247246), (362, 221975), (650, 123623), (683, 117650), (905, 88790), (1366, 58825), (1810, 44395), (2353, 34150), (3415, 23530), (4525, 17758), (4706, 17075), (6830, 11765), (8879, 9050)]