28575680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{12757}}^1$

素因数の和:12781

約数の個数: 56

約数和(自身を含む): 77772768

約数和(自身を除く): 49197088

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, 12757, 25514, 51028, 63785, 89299, 102056, 127570, 178598, 204112, 255140, 357196, 408224, 446495, 510280, 714392, 816448, 892990, 1020560, 1428784, 1785980, 2041120, 2857568, 3571960, 4082240, 5715136, 7143920, 14287840, 28575680]

約数ペア:

[(1, 28575680), (2, 14287840), (4, 7143920), (5, 5715136), (7, 4082240), (8, 3571960), (10, 2857568), (14, 2041120), (16, 1785980), (20, 1428784), (28, 1020560), (32, 892990), (35, 816448), (40, 714392), (56, 510280), (64, 446495), (70, 408224), (80, 357196), (112, 255140), (140, 204112), (160, 178598), (224, 127570), (280, 102056), (320, 89299), (448, 63785), (560, 51028), (1120, 25514), (2240, 12757)]