13880320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{2711}}^1$

素因数の和:2736

約数の個数: 44

約数和(自身を含む): 33308784

約数和(自身を除く): 19428464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 2711, 5120, 5422, 10844, 13555, 21688, 27110, 43376, 54220, 86752, 108440, 173504, 216880, 347008, 433760, 694016, 867520, 1388032, 1735040, 2776064, 3470080, 6940160, 13880320]

約数ペア:

[(1, 13880320), (2, 6940160), (4, 3470080), (5, 2776064), (8, 1735040), (10, 1388032), (16, 867520), (20, 694016), (32, 433760), (40, 347008), (64, 216880), (80, 173504), (128, 108440), (160, 86752), (256, 54220), (320, 43376), (512, 27110), (640, 21688), (1024, 13555), (1280, 10844), (2560, 5422), (2711, 5120)]