220153280

素因数分解:

$2^6\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1553}}^1$

素因数の和:2013

約数の個数: 56

約数和(自身を含む): 525761712

約数和(自身を除く): 305608432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 443, 886, 1553, 1772, 2215, 3106, 3544, 4430, 6212, 7088, 7765, 8860, 12424, 14176, 15530, 17720, 24848, 28352, 31060, 35440, 49696, 62120, 70880, 99392, 124240, 141760, 248480, 496960, 687979, 1375958, 2751916, 3439895, 5503832, 6879790, 11007664, 13759580, 22015328, 27519160, 44030656, 55038320, 110076640, 220153280]

約数ペア:

[(1, 220153280), (2, 110076640), (4, 55038320), (5, 44030656), (8, 27519160), (10, 22015328), (16, 13759580), (20, 11007664), (32, 6879790), (40, 5503832), (64, 3439895), (80, 2751916), (160, 1375958), (320, 687979), (443, 496960), (886, 248480), (1553, 141760), (1772, 124240), (2215, 99392), (3106, 70880), (3544, 62120), (4430, 49696), (6212, 35440), (7088, 31060), (7765, 28352), (8860, 24848), (12424, 17720), (14176, 15530)]