39629920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 108591840

約数和(自身を除く): 68961920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 80, 88, 89, 92, 110, 115, 121, 160, 176, 178, 184, 220, 230, 242, 253, 352, 356, 368, 440, 445, 460, 484, 506, 605, 712, 736, 880, 890, 920, 968, 979, 1012, 1210, 1265, 1424, 1760, 1780, 1840, 1936, 1958, 2024, 2047, 2420, 2530, 2783, 2848, 3560, 3680, 3872, 3916, 4048, 4094, 4840, 4895, 5060, 5566, 7120, 7832, 8096, 8188, 9680, 9790, 10120, 10235, 10769, 11132, 13915, 14240, 15664, 16376, 19360, 19580, 20240, 20470, 21538, 22264, 22517, 27830, 31328, 32752, 39160, 40480, 40940, 43076, 44528, 45034, 53845, 55660, 65504, 78320, 81880, 86152, 89056, 90068, 107690, 111320, 112585, 156640, 163760, 172304, 180136, 215380, 222640, 225170, 247687, 327520, 344608, 360272, 430760, 445280, 450340, 495374, 720544, 861520, 900680, 990748, 1238435, 1723040, 1801360, 1981496, 2476870, 3602720, 3962992, 4953740, 7925984, 9907480, 19814960, 39629920]

約数ペア:

[(1, 39629920), (2, 19814960), (4, 9907480), (5, 7925984), (8, 4953740), (10, 3962992), (11, 3602720), (16, 2476870), (20, 1981496), (22, 1801360), (23, 1723040), (32, 1238435), (40, 990748), (44, 900680), (46, 861520), (55, 720544), (80, 495374), (88, 450340), (89, 445280), (92, 430760), (110, 360272), (115, 344608), (121, 327520), (160, 247687), (176, 225170), (178, 222640), (184, 215380), (220, 180136), (230, 172304), (242, 163760), (253, 156640), (352, 112585), (356, 111320), (368, 107690), (440, 90068), (445, 89056), (460, 86152), (484, 81880), (506, 78320), (605, 65504), (712, 55660), (736, 53845), (880, 45034), (890, 44528), (920, 43076), (968, 40940), (979, 40480), (1012, 39160), (1210, 32752), (1265, 31328), (1424, 27830), (1760, 22517), (1780, 22264), (1840, 21538), (1936, 20470), (1958, 20240), (2024, 19580), (2047, 19360), (2420, 16376), (2530, 15664), (2783, 14240), (2848, 13915), (3560, 11132), (3680, 10769), (3872, 10235), (3916, 10120), (4048, 9790), (4094, 9680), (4840, 8188), (4895, 8096), (5060, 7832), (5566, 7120)]