13250560

素因数分解:

$2^{12}\times 5^1\times {\mathrm{647}}^1$

素因数の和:676

約数の個数: 52

約数和(自身を含む): 31846608

約数和(自身を除く): 18596048

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, 2048, 2560, 2588, 3235, 4096, 5120, 5176, 6470, 10240, 10352, 12940, 20480, 20704, 25880, 41408, 51760, 82816, 103520, 165632, 207040, 331264, 414080, 662528, 828160, 1325056, 1656320, 2650112, 3312640, 6625280, 13250560]

約数ペア:

[(1, 13250560), (2, 6625280), (4, 3312640), (5, 2650112), (8, 1656320), (10, 1325056), (16, 828160), (20, 662528), (32, 414080), (40, 331264), (64, 207040), (80, 165632), (128, 103520), (160, 82816), (256, 51760), (320, 41408), (512, 25880), (640, 20704), (647, 20480), (1024, 12940), (1280, 10352), (1294, 10240), (2048, 6470), (2560, 5176), (2588, 5120), (3235, 4096)]