31518940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1753}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 70721280

約数和(自身を除く): 39202340

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1753, 1798, 3506, 3596, 4495, 7012, 8765, 8990, 17530, 17980, 35060, 50837, 54343, 101674, 108686, 203348, 217372, 254185, 271715, 508370, 543430, 1016740, 1086860, 1575947, 3151894, 6303788, 7879735, 15759470, 31518940]

約数ペア:

[(1, 31518940), (2, 15759470), (4, 7879735), (5, 6303788), (10, 3151894), (20, 1575947), (29, 1086860), (31, 1016740), (58, 543430), (62, 508370), (116, 271715), (124, 254185), (145, 217372), (155, 203348), (290, 108686), (310, 101674), (580, 54343), (620, 50837), (899, 35060), (1753, 17980), (1798, 17530), (3506, 8990), (3596, 8765), (4495, 7012)]