27653240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{769}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 66528000

約数和(自身を除く): 38874760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 232, 248, 290, 310, 580, 620, 769, 899, 1160, 1240, 1538, 1798, 3076, 3596, 3845, 4495, 6152, 7192, 7690, 8990, 15380, 17980, 22301, 23839, 30760, 35960, 44602, 47678, 89204, 95356, 111505, 119195, 178408, 190712, 223010, 238390, 446020, 476780, 691331, 892040, 953560, 1382662, 2765324, 3456655, 5530648, 6913310, 13826620, 27653240]

約数ペア:

[(1, 27653240), (2, 13826620), (4, 6913310), (5, 5530648), (8, 3456655), (10, 2765324), (20, 1382662), (29, 953560), (31, 892040), (40, 691331), (58, 476780), (62, 446020), (116, 238390), (124, 223010), (145, 190712), (155, 178408), (232, 119195), (248, 111505), (290, 95356), (310, 89204), (580, 47678), (620, 44602), (769, 35960), (899, 30760), (1160, 23839), (1240, 22301), (1538, 17980), (1798, 15380), (3076, 8990), (3596, 7690), (3845, 7192), (4495, 6152)]