66487040

素因数分解:

$2^8\times 5^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 160903680

約数和(自身を除く): 94416640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 409, 508, 635, 640, 818, 1016, 1270, 1280, 1636, 2032, 2045, 2540, 3272, 4064, 4090, 5080, 6544, 8128, 8180, 10160, 13088, 16256, 16360, 20320, 26176, 32512, 32720, 40640, 51943, 52352, 65440, 81280, 103886, 104704, 130880, 162560, 207772, 259715, 261760, 415544, 519430, 523520, 831088, 1038860, 1662176, 2077720, 3324352, 4155440, 6648704, 8310880, 13297408, 16621760, 33243520, 66487040]

約数ペア:

[(1, 66487040), (2, 33243520), (4, 16621760), (5, 13297408), (8, 8310880), (10, 6648704), (16, 4155440), (20, 3324352), (32, 2077720), (40, 1662176), (64, 1038860), (80, 831088), (127, 523520), (128, 519430), (160, 415544), (254, 261760), (256, 259715), (320, 207772), (409, 162560), (508, 130880), (635, 104704), (640, 103886), (818, 81280), (1016, 65440), (1270, 52352), (1280, 51943), (1636, 40640), (2032, 32720), (2045, 32512), (2540, 26176), (3272, 20320), (4064, 16360), (4090, 16256), (5080, 13088), (6544, 10160), (8128, 8180)]