64839680

素因数分解:

$2^{13}\times 5^1\times {\mathrm{1583}}^1$

素因数の和:1614

約数の個数: 56

約数和(自身を含む): 155704032

約数和(自身を除く): 90864352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1583, 2048, 2560, 3166, 4096, 5120, 6332, 7915, 8192, 10240, 12664, 15830, 20480, 25328, 31660, 40960, 50656, 63320, 101312, 126640, 202624, 253280, 405248, 506560, 810496, 1013120, 1620992, 2026240, 3241984, 4052480, 6483968, 8104960, 12967936, 16209920, 32419840, 64839680]

約数ペア:

[(1, 64839680), (2, 32419840), (4, 16209920), (5, 12967936), (8, 8104960), (10, 6483968), (16, 4052480), (20, 3241984), (32, 2026240), (40, 1620992), (64, 1013120), (80, 810496), (128, 506560), (160, 405248), (256, 253280), (320, 202624), (512, 126640), (640, 101312), (1024, 63320), (1280, 50656), (1583, 40960), (2048, 31660), (2560, 25328), (3166, 20480), (4096, 15830), (5120, 12664), (6332, 10240), (7915, 8192)]