872176640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{170347}}^1$

素因数の和:170372

約数の個数: 44

約数和(自身を含む): 2092214136

約数和(自身を除く): 1220037496

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, 170347, 340694, 681388, 851735, 1362776, 1703470, 2725552, 3406940, 5451104, 6813880, 10902208, 13627760, 21804416, 27255520, 43608832, 54511040, 87217664, 109022080, 174435328, 218044160, 436088320, 872176640]

約数ペア:

[(1, 872176640), (2, 436088320), (4, 218044160), (5, 174435328), (8, 109022080), (10, 87217664), (16, 54511040), (20, 43608832), (32, 27255520), (40, 21804416), (64, 13627760), (80, 10902208), (128, 6813880), (160, 5451104), (256, 3406940), (320, 2725552), (512, 1703470), (640, 1362776), (1024, 851735), (1280, 681388), (2560, 340694), (5120, 170347)]