39919940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^3\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 48

約数和(自身を含む): 87919104

約数和(自身を除く): 47999164

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 961, 1340, 1922, 2077, 3844, 4154, 4805, 8308, 9610, 10385, 19220, 20770, 29791, 41540, 59582, 64387, 119164, 128774, 148955, 257548, 297910, 321935, 595820, 643870, 1287740, 1995997, 3991994, 7983988, 9979985, 19959970, 39919940]

約数ペア:

[(1, 39919940), (2, 19959970), (4, 9979985), (5, 7983988), (10, 3991994), (20, 1995997), (31, 1287740), (62, 643870), (67, 595820), (124, 321935), (134, 297910), (155, 257548), (268, 148955), (310, 128774), (335, 119164), (620, 64387), (670, 59582), (961, 41540), (1340, 29791), (1922, 20770), (2077, 19220), (3844, 10385), (4154, 9610), (4805, 8308)]