1664225850880

素因数分解:

$2^9\times 5^1\times {\mathrm{650088223}}^1$

素因数の和:650088246

約数の個数: 40

約数和(自身を含む): 3990241518912

約数和(自身を除く): 2326015668032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 650088223, 1300176446, 2600352892, 3250441115, 5200705784, 6500882230, 10401411568, 13001764460, 20802823136, 26003528920, 41605646272, 52007057840, 83211292544, 104014115680, 166422585088, 208028231360, 332845170176, 416056462720, 832112925440, 1664225850880]

約数ペア:

[(1, 1664225850880), (2, 832112925440), (4, 416056462720), (5, 332845170176), (8, 208028231360), (10, 166422585088), (16, 104014115680), (20, 83211292544), (32, 52007057840), (40, 41605646272), (64, 26003528920), (80, 20802823136), (128, 13001764460), (160, 10401411568), (256, 6500882230), (320, 5200705784), (512, 3250441115), (640, 2600352892), (1280, 1300176446), (2560, 650088223)]