135791440

素因数分解:

$2^4\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1847}}^1$

素因数の和:2779

約数の個数: 40

約数和(自身を含む): 316229760

約数和(自身を除く): 180438320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 919, 1838, 1847, 3676, 3694, 4595, 7352, 7388, 9190, 9235, 14704, 14776, 18380, 18470, 29552, 36760, 36940, 73520, 73880, 147760, 1697393, 3394786, 6789572, 8486965, 13579144, 16973930, 27158288, 33947860, 67895720, 135791440]

約数ペア:

[(1, 135791440), (2, 67895720), (4, 33947860), (5, 27158288), (8, 16973930), (10, 13579144), (16, 8486965), (20, 6789572), (40, 3394786), (80, 1697393), (919, 147760), (1838, 73880), (1847, 73520), (3676, 36940), (3694, 36760), (4595, 29552), (7352, 18470), (7388, 18380), (9190, 14776), (9235, 14704)]