80295040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{17923}}^1$

素因数の和:17949

約数の個数: 64

約数和(自身を含む): 219389760

約数和(自身を除く): 139094720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 17923, 35846, 71692, 89615, 125461, 143384, 179230, 250922, 286768, 358460, 501844, 573536, 627305, 716920, 1003688, 1147072, 1254610, 1433840, 2007376, 2294144, 2509220, 2867680, 4014752, 5018440, 5735360, 8029504, 10036880, 11470720, 16059008, 20073760, 40147520, 80295040]

約数ペア:

[(1, 80295040), (2, 40147520), (4, 20073760), (5, 16059008), (7, 11470720), (8, 10036880), (10, 8029504), (14, 5735360), (16, 5018440), (20, 4014752), (28, 2867680), (32, 2509220), (35, 2294144), (40, 2007376), (56, 1433840), (64, 1254610), (70, 1147072), (80, 1003688), (112, 716920), (128, 627305), (140, 573536), (160, 501844), (224, 358460), (280, 286768), (320, 250922), (448, 179230), (560, 143384), (640, 125461), (896, 89615), (1120, 71692), (2240, 35846), (4480, 17923)]