409157060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{15581}}^1$

素因数の和:15704

約数の個数: 48

約数和(自身を含む): 934546032

約数和(自身を除く): 525388972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 101, 130, 202, 260, 404, 505, 1010, 1313, 2020, 2626, 5252, 6565, 13130, 15581, 26260, 31162, 62324, 77905, 155810, 202553, 311620, 405106, 810212, 1012765, 1573681, 2025530, 3147362, 4051060, 6294724, 7868405, 15736810, 20457853, 31473620, 40915706, 81831412, 102289265, 204578530, 409157060]

約数ペア:

[(1, 409157060), (2, 204578530), (4, 102289265), (5, 81831412), (10, 40915706), (13, 31473620), (20, 20457853), (26, 15736810), (52, 7868405), (65, 6294724), (101, 4051060), (130, 3147362), (202, 2025530), (260, 1573681), (404, 1012765), (505, 810212), (1010, 405106), (1313, 311620), (2020, 202553), (2626, 155810), (5252, 77905), (6565, 62324), (13130, 31162), (15581, 26260)]