40034720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:115

約数の個数: 144

約数和(自身を含む): 110369952

約数和(自身を除く): 70335232

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 43, 44, 46, 55, 80, 86, 88, 92, 110, 115, 160, 172, 176, 184, 215, 220, 230, 253, 344, 352, 368, 430, 440, 460, 473, 506, 529, 688, 736, 860, 880, 920, 946, 989, 1012, 1058, 1265, 1376, 1720, 1760, 1840, 1892, 1978, 2024, 2116, 2365, 2530, 2645, 3440, 3680, 3784, 3956, 4048, 4232, 4730, 4945, 5060, 5290, 5819, 6880, 7568, 7912, 8096, 8464, 9460, 9890, 10120, 10580, 10879, 11638, 15136, 15824, 16928, 18920, 19780, 20240, 21160, 21758, 22747, 23276, 29095, 31648, 37840, 39560, 40480, 42320, 43516, 45494, 46552, 54395, 58190, 75680, 79120, 84640, 87032, 90988, 93104, 108790, 113735, 116380, 158240, 174064, 181976, 186208, 217580, 227470, 232760, 250217, 348128, 363952, 435160, 454940, 465520, 500434, 727904, 870320, 909880, 931040, 1000868, 1251085, 1740640, 1819760, 2001736, 2502170, 3639520, 4003472, 5004340, 8006944, 10008680, 20017360, 40034720]

約数ペア:

[(1, 40034720), (2, 20017360), (4, 10008680), (5, 8006944), (8, 5004340), (10, 4003472), (11, 3639520), (16, 2502170), (20, 2001736), (22, 1819760), (23, 1740640), (32, 1251085), (40, 1000868), (43, 931040), (44, 909880), (46, 870320), (55, 727904), (80, 500434), (86, 465520), (88, 454940), (92, 435160), (110, 363952), (115, 348128), (160, 250217), (172, 232760), (176, 227470), (184, 217580), (215, 186208), (220, 181976), (230, 174064), (253, 158240), (344, 116380), (352, 113735), (368, 108790), (430, 93104), (440, 90988), (460, 87032), (473, 84640), (506, 79120), (529, 75680), (688, 58190), (736, 54395), (860, 46552), (880, 45494), (920, 43516), (946, 42320), (989, 40480), (1012, 39560), (1058, 37840), (1265, 31648), (1376, 29095), (1720, 23276), (1760, 22747), (1840, 21758), (1892, 21160), (1978, 20240), (2024, 19780), (2116, 18920), (2365, 16928), (2530, 15824), (2645, 15136), (3440, 11638), (3680, 10879), (3784, 10580), (3956, 10120), (4048, 9890), (4232, 9460), (4730, 8464), (4945, 8096), (5060, 7912), (5290, 7568), (5819, 6880)]