21968800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{3923}}^1$

素因数の和:3950

約数の個数: 72

約数和(自身を含む): 61308576

約数和(自身を除く): 39339776

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 140, 160, 175, 200, 224, 280, 350, 400, 560, 700, 800, 1120, 1400, 2800, 3923, 5600, 7846, 15692, 19615, 27461, 31384, 39230, 54922, 62768, 78460, 98075, 109844, 125536, 137305, 156920, 196150, 219688, 274610, 313840, 392300, 439376, 549220, 627680, 686525, 784600, 878752, 1098440, 1373050, 1569200, 2196880, 2746100, 3138400, 4393760, 5492200, 10984400, 21968800]

約数ペア:

[(1, 21968800), (2, 10984400), (4, 5492200), (5, 4393760), (7, 3138400), (8, 2746100), (10, 2196880), (14, 1569200), (16, 1373050), (20, 1098440), (25, 878752), (28, 784600), (32, 686525), (35, 627680), (40, 549220), (50, 439376), (56, 392300), (70, 313840), (80, 274610), (100, 219688), (112, 196150), (140, 156920), (160, 137305), (175, 125536), (200, 109844), (224, 98075), (280, 78460), (350, 62768), (400, 54922), (560, 39230), (700, 31384), (800, 27461), (1120, 19615), (1400, 15692), (2800, 7846), (3923, 5600)]