15105920

素因数分解:

$2^7\times 5^1\times {\mathrm{23603}}^1$

素因数の和:23622

約数の個数: 32

約数和(自身を含む): 36114120

約数和(自身を除く): 21008200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 23603, 47206, 94412, 118015, 188824, 236030, 377648, 472060, 755296, 944120, 1510592, 1888240, 3021184, 3776480, 7552960, 15105920]

約数ペア:

[(1, 15105920), (2, 7552960), (4, 3776480), (5, 3021184), (8, 1888240), (10, 1510592), (16, 944120), (20, 755296), (32, 472060), (40, 377648), (64, 236030), (80, 188824), (128, 118015), (160, 94412), (320, 47206), (640, 23603)]