81602560

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:653

約数の個数: 96

約数和(自身を含む): 211203720

約数和(自身を除く): 129601160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 613, 640, 832, 1024, 1040, 1226, 1280, 1664, 2048, 2080, 2452, 2560, 3065, 3328, 4160, 4904, 5120, 6130, 6656, 7969, 8320, 9808, 10240, 12260, 13312, 15938, 16640, 19616, 24520, 26624, 31876, 33280, 39232, 39845, 49040, 63752, 66560, 78464, 79690, 98080, 127504, 133120, 156928, 159380, 196160, 255008, 313856, 318760, 392320, 510016, 627712, 637520, 784640, 1020032, 1255424, 1275040, 1569280, 2040064, 2550080, 3138560, 4080128, 5100160, 6277120, 8160256, 10200320, 16320512, 20400640, 40801280, 81602560]

約数ペア:

[(1, 81602560), (2, 40801280), (4, 20400640), (5, 16320512), (8, 10200320), (10, 8160256), (13, 6277120), (16, 5100160), (20, 4080128), (26, 3138560), (32, 2550080), (40, 2040064), (52, 1569280), (64, 1275040), (65, 1255424), (80, 1020032), (104, 784640), (128, 637520), (130, 627712), (160, 510016), (208, 392320), (256, 318760), (260, 313856), (320, 255008), (416, 196160), (512, 159380), (520, 156928), (613, 133120), (640, 127504), (832, 98080), (1024, 79690), (1040, 78464), (1226, 66560), (1280, 63752), (1664, 49040), (2048, 39845), (2080, 39232), (2452, 33280), (2560, 31876), (3065, 26624), (3328, 24520), (4160, 19616), (4904, 16640), (5120, 15938), (6130, 13312), (6656, 12260), (7969, 10240), (8320, 9808)]