16621760

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:553

約数の個数: 56

約数和(自身を含む): 39989760

約数和(自身を除く): 23368000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 409, 508, 635, 818, 1016, 1270, 1636, 2032, 2045, 2540, 3272, 4064, 4090, 5080, 6544, 8128, 8180, 10160, 13088, 16360, 20320, 26176, 32720, 40640, 51943, 65440, 103886, 130880, 207772, 259715, 415544, 519430, 831088, 1038860, 1662176, 2077720, 3324352, 4155440, 8310880, 16621760]

約数ペア:

[(1, 16621760), (2, 8310880), (4, 4155440), (5, 3324352), (8, 2077720), (10, 1662176), (16, 1038860), (20, 831088), (32, 519430), (40, 415544), (64, 259715), (80, 207772), (127, 130880), (160, 103886), (254, 65440), (320, 51943), (409, 40640), (508, 32720), (635, 26176), (818, 20320), (1016, 16360), (1270, 13088), (1636, 10160), (2032, 8180), (2045, 8128), (2540, 6544), (3272, 5080), (4064, 4090)]