81460768

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2141}}^1$

素因数の和:2221

約数の個数: 48

約数和(自身を含む): 170031960

約数和(自身を除く): 88571192

約数列:

[1, 2, 4, 8, 16, 29, 32, 41, 58, 82, 116, 164, 232, 328, 464, 656, 928, 1189, 1312, 2141, 2378, 4282, 4756, 8564, 9512, 17128, 19024, 34256, 38048, 62089, 68512, 87781, 124178, 175562, 248356, 351124, 496712, 702248, 993424, 1404496, 1986848, 2545649, 2808992, 5091298, 10182596, 20365192, 40730384, 81460768]

約数ペア:

[(1, 81460768), (2, 40730384), (4, 20365192), (8, 10182596), (16, 5091298), (29, 2808992), (32, 2545649), (41, 1986848), (58, 1404496), (82, 993424), (116, 702248), (164, 496712), (232, 351124), (328, 248356), (464, 175562), (656, 124178), (928, 87781), (1189, 68512), (1312, 62089), (2141, 38048), (2378, 34256), (4282, 19024), (4756, 17128), (8564, 9512)]