8742440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31223}}^1$

素因数の和:31241

約数の個数: 32

約数和(自身を含む): 22481280

約数和(自身を除く): 13738840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 31223, 62446, 124892, 156115, 218561, 249784, 312230, 437122, 624460, 874244, 1092805, 1248920, 1748488, 2185610, 4371220, 8742440]

約数ペア:

[(1, 8742440), (2, 4371220), (4, 2185610), (5, 1748488), (7, 1248920), (8, 1092805), (10, 874244), (14, 624460), (20, 437122), (28, 312230), (35, 249784), (40, 218561), (56, 156115), (70, 124892), (140, 62446), (280, 31223)]