7758485620

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1093}}^1\times {\mathrm{1381}}^1$

素因数の和:2740

約数の個数: 48

約数和(自身を含む): 16383035088

約数和(自身を除く): 8624549468

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1093, 1285, 1381, 2186, 2570, 2762, 4372, 5140, 5465, 5524, 6905, 10930, 13810, 21860, 27620, 280901, 354917, 561802, 709834, 1123604, 1404505, 1419668, 1509433, 1774585, 2809010, 3018866, 3549170, 5618020, 6037732, 7098340, 7547165, 15094330, 30188660, 387924281, 775848562, 1551697124, 1939621405, 3879242810, 7758485620]

約数ペア:

[(1, 7758485620), (2, 3879242810), (4, 1939621405), (5, 1551697124), (10, 775848562), (20, 387924281), (257, 30188660), (514, 15094330), (1028, 7547165), (1093, 7098340), (1285, 6037732), (1381, 5618020), (2186, 3549170), (2570, 3018866), (2762, 2809010), (4372, 1774585), (5140, 1509433), (5465, 1419668), (5524, 1404505), (6905, 1123604), (10930, 709834), (13810, 561802), (21860, 354917), (27620, 280901)]