20160748520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{255977}}^1$

素因数の和:256178

約数の個数: 64

約数和(自身を含む): 49762123200

約数和(自身を除く): 29601374680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 179, 220, 358, 440, 716, 895, 1432, 1790, 1969, 3580, 3938, 7160, 7876, 9845, 15752, 19690, 39380, 78760, 255977, 511954, 1023908, 1279885, 2047816, 2559770, 2815747, 5119540, 5631494, 10239080, 11262988, 14078735, 22525976, 28157470, 45819883, 56314940, 91639766, 112629880, 183279532, 229099415, 366559064, 458198830, 504018713, 916397660, 1008037426, 1832795320, 2016074852, 2520093565, 4032149704, 5040187130, 10080374260, 20160748520]

約数ペア:

[(1, 20160748520), (2, 10080374260), (4, 5040187130), (5, 4032149704), (8, 2520093565), (10, 2016074852), (11, 1832795320), (20, 1008037426), (22, 916397660), (40, 504018713), (44, 458198830), (55, 366559064), (88, 229099415), (110, 183279532), (179, 112629880), (220, 91639766), (358, 56314940), (440, 45819883), (716, 28157470), (895, 22525976), (1432, 14078735), (1790, 11262988), (1969, 10239080), (3580, 5631494), (3938, 5119540), (7160, 2815747), (7876, 2559770), (9845, 2047816), (15752, 1279885), (19690, 1023908), (39380, 511954), (78760, 255977)]