18420806080

素因数分解:

$2^6\times 5^1\times {\mathrm{241}}^1\times {\mathrm{238859}}^1$

素因数の和:239117

約数の個数: 56

約数和(自身を含む): 44046739440

約数和(自身を除く): 25625933360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 241, 320, 482, 964, 1205, 1928, 2410, 3856, 4820, 7712, 9640, 15424, 19280, 38560, 77120, 238859, 477718, 955436, 1194295, 1910872, 2388590, 3821744, 4777180, 7643488, 9554360, 15286976, 19108720, 38217440, 57565019, 76434880, 115130038, 230260076, 287825095, 460520152, 575650190, 921040304, 1151300380, 1842080608, 2302600760, 3684161216, 4605201520, 9210403040, 18420806080]

約数ペア:

[(1, 18420806080), (2, 9210403040), (4, 4605201520), (5, 3684161216), (8, 2302600760), (10, 1842080608), (16, 1151300380), (20, 921040304), (32, 575650190), (40, 460520152), (64, 287825095), (80, 230260076), (160, 115130038), (241, 76434880), (320, 57565019), (482, 38217440), (964, 19108720), (1205, 15286976), (1928, 9554360), (2410, 7643488), (3856, 4777180), (4820, 3821744), (7712, 2388590), (9640, 1910872), (15424, 1194295), (19280, 955436), (38560, 477718), (77120, 238859)]