82590640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 211415040

約数和(自身を除く): 128824400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 739, 880, 1016, 1270, 1397, 1478, 2032, 2540, 2794, 2956, 3695, 5080, 5588, 5912, 6985, 7390, 8129, 10160, 11176, 11824, 13970, 14780, 16258, 22352, 27940, 29560, 32516, 40645, 55880, 59120, 65032, 81290, 93853, 111760, 130064, 162580, 187706, 325160, 375412, 469265, 650320, 750824, 938530, 1032383, 1501648, 1877060, 2064766, 3754120, 4129532, 5161915, 7508240, 8259064, 10323830, 16518128, 20647660, 41295320, 82590640]

約数ペア:

[(1, 82590640), (2, 41295320), (4, 20647660), (5, 16518128), (8, 10323830), (10, 8259064), (11, 7508240), (16, 5161915), (20, 4129532), (22, 3754120), (40, 2064766), (44, 1877060), (55, 1501648), (80, 1032383), (88, 938530), (110, 750824), (127, 650320), (176, 469265), (220, 375412), (254, 325160), (440, 187706), (508, 162580), (635, 130064), (739, 111760), (880, 93853), (1016, 81290), (1270, 65032), (1397, 59120), (1478, 55880), (2032, 40645), (2540, 32516), (2794, 29560), (2956, 27940), (3695, 22352), (5080, 16258), (5588, 14780), (5912, 13970), (6985, 11824), (7390, 11176), (8129, 10160)]