71403920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127507}}^1$

素因数の和:127527

約数の個数: 40

約数和(自身を含む): 189731904

約数和(自身を除く): 118327984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 127507, 255014, 510028, 637535, 892549, 1020056, 1275070, 1785098, 2040112, 2550140, 3570196, 4462745, 5100280, 7140392, 8925490, 10200560, 14280784, 17850980, 35701960, 71403920]

約数ペア:

[(1, 71403920), (2, 35701960), (4, 17850980), (5, 14280784), (7, 10200560), (8, 8925490), (10, 7140392), (14, 5100280), (16, 4462745), (20, 3570196), (28, 2550140), (35, 2040112), (40, 1785098), (56, 1275070), (70, 1020056), (80, 892549), (112, 637535), (140, 510028), (280, 255014), (560, 127507)]