72739840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{14207}}^1$

素因数の和:14232

約数の個数: 44

約数和(自身を含む): 174502656

約数和(自身を除く): 101762816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 14207, 28414, 56828, 71035, 113656, 142070, 227312, 284140, 454624, 568280, 909248, 1136560, 1818496, 2273120, 3636992, 4546240, 7273984, 9092480, 14547968, 18184960, 36369920, 72739840]

約数ペア:

[(1, 72739840), (2, 36369920), (4, 18184960), (5, 14547968), (8, 9092480), (10, 7273984), (16, 4546240), (20, 3636992), (32, 2273120), (40, 1818496), (64, 1136560), (80, 909248), (128, 568280), (160, 454624), (256, 284140), (320, 227312), (512, 142070), (640, 113656), (1024, 71035), (1280, 56828), (2560, 28414), (5120, 14207)]