45405040

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 109992960

約数和(自身を除く): 64587920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 109, 127, 164, 205, 218, 254, 328, 410, 436, 508, 545, 635, 656, 820, 872, 1016, 1090, 1270, 1640, 1744, 2032, 2180, 2540, 3280, 4360, 4469, 5080, 5207, 8720, 8938, 10160, 10414, 13843, 17876, 20828, 22345, 26035, 27686, 35752, 41656, 44690, 52070, 55372, 69215, 71504, 83312, 89380, 104140, 110744, 138430, 178760, 208280, 221488, 276860, 357520, 416560, 553720, 567563, 1107440, 1135126, 2270252, 2837815, 4540504, 5675630, 9081008, 11351260, 22702520, 45405040]

約数ペア:

[(1, 45405040), (2, 22702520), (4, 11351260), (5, 9081008), (8, 5675630), (10, 4540504), (16, 2837815), (20, 2270252), (40, 1135126), (41, 1107440), (80, 567563), (82, 553720), (109, 416560), (127, 357520), (164, 276860), (205, 221488), (218, 208280), (254, 178760), (328, 138430), (410, 110744), (436, 104140), (508, 89380), (545, 83312), (635, 71504), (656, 69215), (820, 55372), (872, 52070), (1016, 44690), (1090, 41656), (1270, 35752), (1640, 27686), (1744, 26035), (2032, 22345), (2180, 20828), (2540, 17876), (3280, 13843), (4360, 10414), (4469, 10160), (5080, 8938), (5207, 8720)]