40147520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{17923}}^1$

素因数の和:17947

約数の個数: 56

約数和(自身を含む): 109264704

約数和(自身を除く): 69117184

約数列:

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

約数ペア:

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