15502120

素因数分解:

$2^3\times 5^1\times {\mathrm{599}}^1\times {\mathrm{647}}^1$

素因数の和:1257

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 19489880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 599, 647, 1198, 1294, 2396, 2588, 2995, 3235, 4792, 5176, 5990, 6470, 11980, 12940, 23960, 25880, 387553, 775106, 1550212, 1937765, 3100424, 3875530, 7751060, 15502120]

約数ペア:

[(1, 15502120), (2, 7751060), (4, 3875530), (5, 3100424), (8, 1937765), (10, 1550212), (20, 775106), (40, 387553), (599, 25880), (647, 23960), (1198, 12940), (1294, 11980), (2396, 6470), (2588, 5990), (2995, 5176), (3235, 4792)]