16645900160

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{204797}}^1$

素因数の和:204943

約数の個数: 64

約数和(自身を含む): 40107640320

約数和(自身を除く): 23461740160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 320, 508, 635, 640, 1016, 1270, 2032, 2540, 4064, 5080, 8128, 10160, 16256, 20320, 40640, 81280, 204797, 409594, 819188, 1023985, 1638376, 2047970, 3276752, 4095940, 6553504, 8191880, 13107008, 16383760, 26009219, 26214016, 32767520, 52018438, 65535040, 104036876, 130046095, 131070080, 208073752, 260092190, 416147504, 520184380, 832295008, 1040368760, 1664590016, 2080737520, 3329180032, 4161475040, 8322950080, 16645900160]

約数ペア:

[(1, 16645900160), (2, 8322950080), (4, 4161475040), (5, 3329180032), (8, 2080737520), (10, 1664590016), (16, 1040368760), (20, 832295008), (32, 520184380), (40, 416147504), (64, 260092190), (80, 208073752), (127, 131070080), (128, 130046095), (160, 104036876), (254, 65535040), (320, 52018438), (508, 32767520), (635, 26214016), (640, 26009219), (1016, 16383760), (1270, 13107008), (2032, 8191880), (2540, 6553504), (4064, 4095940), (5080, 3276752), (8128, 2047970), (10160, 1638376), (16256, 1023985), (20320, 819188), (40640, 409594), (81280, 204797)]