8690920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31039}}^1$

素因数の和:31057

約数の個数: 32

約数和(自身を含む): 22348800

約数和(自身を除く): 13657880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31039, 62078, 124156, 155195, 217273, 248312, 310390, 434546, 620780, 869092, 1086365, 1241560, 1738184, 2172730, 4345460, 8690920]

約数ペア:

[(1, 8690920), (2, 4345460), (4, 2172730), (5, 1738184), (7, 1241560), (8, 1086365), (10, 869092), (14, 620780), (20, 434546), (28, 310390), (35, 248312), (40, 217273), (56, 155195), (70, 124156), (140, 62078), (280, 31039)]