64389520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:740

約数の個数: 80

約数和(自身を含む): 163083312

約数和(自身を除く): 98693792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 613, 808, 1010, 1040, 1226, 1313, 1616, 2020, 2452, 2626, 3065, 4040, 4904, 5252, 6130, 6565, 7969, 8080, 9808, 10504, 12260, 13130, 15938, 21008, 24520, 26260, 31876, 39845, 49040, 52520, 61913, 63752, 79690, 105040, 123826, 127504, 159380, 247652, 309565, 318760, 495304, 619130, 637520, 804869, 990608, 1238260, 1609738, 2476520, 3219476, 4024345, 4953040, 6438952, 8048690, 12877904, 16097380, 32194760, 64389520]

約数ペア:

[(1, 64389520), (2, 32194760), (4, 16097380), (5, 12877904), (8, 8048690), (10, 6438952), (13, 4953040), (16, 4024345), (20, 3219476), (26, 2476520), (40, 1609738), (52, 1238260), (65, 990608), (80, 804869), (101, 637520), (104, 619130), (130, 495304), (202, 318760), (208, 309565), (260, 247652), (404, 159380), (505, 127504), (520, 123826), (613, 105040), (808, 79690), (1010, 63752), (1040, 61913), (1226, 52520), (1313, 49040), (1616, 39845), (2020, 31876), (2452, 26260), (2626, 24520), (3065, 21008), (4040, 15938), (4904, 13130), (5252, 12260), (6130, 10504), (6565, 9808), (7969, 8080)]