28764160

素因数分解:

$2^{11}\times 5^1\times {\mathrm{53}}^2$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 70343910

約数和(自身を除く): 41579750

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1024, 1060, 1280, 1696, 2048, 2120, 2560, 2809, 3392, 4240, 5120, 5618, 6784, 8480, 10240, 11236, 13568, 14045, 16960, 22472, 27136, 28090, 33920, 44944, 54272, 56180, 67840, 89888, 108544, 112360, 135680, 179776, 224720, 271360, 359552, 449440, 542720, 719104, 898880, 1438208, 1797760, 2876416, 3595520, 5752832, 7191040, 14382080, 28764160]

約数ペア:

[(1, 28764160), (2, 14382080), (4, 7191040), (5, 5752832), (8, 3595520), (10, 2876416), (16, 1797760), (20, 1438208), (32, 898880), (40, 719104), (53, 542720), (64, 449440), (80, 359552), (106, 271360), (128, 224720), (160, 179776), (212, 135680), (256, 112360), (265, 108544), (320, 89888), (424, 67840), (512, 56180), (530, 54272), (640, 44944), (848, 33920), (1024, 28090), (1060, 27136), (1280, 22472), (1696, 16960), (2048, 14045), (2120, 13568), (2560, 11236), (2809, 10240), (3392, 8480), (4240, 6784), (5120, 5618)]