28865920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 128

約数和(自身を含む): 75349440

約数和(自身を除く): 46483520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 53, 64, 74, 80, 92, 106, 115, 128, 148, 160, 184, 185, 212, 230, 265, 296, 320, 368, 370, 424, 460, 530, 592, 640, 736, 740, 848, 851, 920, 1060, 1184, 1219, 1472, 1480, 1696, 1702, 1840, 1961, 2120, 2368, 2438, 2944, 2960, 3392, 3404, 3680, 3922, 4240, 4255, 4736, 4876, 5920, 6095, 6784, 6808, 7360, 7844, 8480, 8510, 9752, 9805, 11840, 12190, 13616, 14720, 15688, 16960, 17020, 19504, 19610, 23680, 24380, 27232, 31376, 33920, 34040, 39008, 39220, 45103, 48760, 54464, 62752, 68080, 78016, 78440, 90206, 97520, 108928, 125504, 136160, 156032, 156880, 180412, 195040, 225515, 251008, 272320, 313760, 360824, 390080, 451030, 544640, 627520, 721648, 780160, 902060, 1255040, 1443296, 1804120, 2886592, 3608240, 5773184, 7216480, 14432960, 28865920]

約数ペア:

[(1, 28865920), (2, 14432960), (4, 7216480), (5, 5773184), (8, 3608240), (10, 2886592), (16, 1804120), (20, 1443296), (23, 1255040), (32, 902060), (37, 780160), (40, 721648), (46, 627520), (53, 544640), (64, 451030), (74, 390080), (80, 360824), (92, 313760), (106, 272320), (115, 251008), (128, 225515), (148, 195040), (160, 180412), (184, 156880), (185, 156032), (212, 136160), (230, 125504), (265, 108928), (296, 97520), (320, 90206), (368, 78440), (370, 78016), (424, 68080), (460, 62752), (530, 54464), (592, 48760), (640, 45103), (736, 39220), (740, 39008), (848, 34040), (851, 33920), (920, 31376), (1060, 27232), (1184, 24380), (1219, 23680), (1472, 19610), (1480, 19504), (1696, 17020), (1702, 16960), (1840, 15688), (1961, 14720), (2120, 13616), (2368, 12190), (2438, 11840), (2944, 9805), (2960, 9752), (3392, 8510), (3404, 8480), (3680, 7844), (3922, 7360), (4240, 6808), (4255, 6784), (4736, 6095), (4876, 5920)]