1493232640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{291647}}^1$

素因数の和:291672

約数の個数: 44

約数和(自身を含む): 3582020736

約数和(自身を除く): 2088788096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 291647, 583294, 1166588, 1458235, 2333176, 2916470, 4666352, 5832940, 9332704, 11665880, 18665408, 23331760, 37330816, 46663520, 74661632, 93327040, 149323264, 186654080, 298646528, 373308160, 746616320, 1493232640]

約数ペア:

[(1, 1493232640), (2, 746616320), (4, 373308160), (5, 298646528), (8, 186654080), (10, 149323264), (16, 93327040), (20, 74661632), (32, 46663520), (40, 37330816), (64, 23331760), (80, 18665408), (128, 11665880), (160, 9332704), (256, 5832940), (320, 4666352), (512, 2916470), (640, 2333176), (1024, 1458235), (1280, 1166588), (2560, 583294), (5120, 291647)]