28777120

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4861}}^1$

素因数の和:4913

約数の個数: 48

約数和(自身を含む): 69837768

約数和(自身を除く): 41060648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 4861, 5920, 9722, 19444, 24305, 38888, 48610, 77776, 97220, 155552, 179857, 194440, 359714, 388880, 719428, 777760, 899285, 1438856, 1798570, 2877712, 3597140, 5755424, 7194280, 14388560, 28777120]

約数ペア:

[(1, 28777120), (2, 14388560), (4, 7194280), (5, 5755424), (8, 3597140), (10, 2877712), (16, 1798570), (20, 1438856), (32, 899285), (37, 777760), (40, 719428), (74, 388880), (80, 359714), (148, 194440), (160, 179857), (185, 155552), (296, 97220), (370, 77776), (592, 48610), (740, 38888), (1184, 24305), (1480, 19444), (2960, 9722), (4861, 5920)]