3312640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{647}}^1$

素因数の和:672

約数の個数: 44

約数和(自身を含む): 7958736

約数和(自身を除く): 4646096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 647, 1024, 1280, 1294, 2560, 2588, 3235, 5120, 5176, 6470, 10352, 12940, 20704, 25880, 41408, 51760, 82816, 103520, 165632, 207040, 331264, 414080, 662528, 828160, 1656320, 3312640]

約数ペア:

[(1, 3312640), (2, 1656320), (4, 828160), (5, 662528), (8, 414080), (10, 331264), (16, 207040), (20, 165632), (32, 103520), (40, 82816), (64, 51760), (80, 41408), (128, 25880), (160, 20704), (256, 12940), (320, 10352), (512, 6470), (640, 5176), (647, 5120), (1024, 3235), (1280, 2588), (1294, 2560)]