11498840

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{739}}^1$

素因数の和:1139

約数の個数: 32

約数和(自身を含む): 25974000

約数和(自身を除く): 14475160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 739, 778, 1478, 1556, 1945, 2956, 3112, 3695, 3890, 5912, 7390, 7780, 14780, 15560, 29560, 287471, 574942, 1149884, 1437355, 2299768, 2874710, 5749420, 11498840]

約数ペア:

[(1, 11498840), (2, 5749420), (4, 2874710), (5, 2299768), (8, 1437355), (10, 1149884), (20, 574942), (40, 287471), (389, 29560), (739, 15560), (778, 14780), (1478, 7780), (1556, 7390), (1945, 5912), (2956, 3890), (3112, 3695)]