80988560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27361}}^1$

素因数の和:27411

約数の個数: 40

約数和(自身を含む): 193394616

約数和(自身を除く): 112406056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 27361, 54722, 109444, 136805, 218888, 273610, 437776, 547220, 1012357, 1094440, 2024714, 2188880, 4049428, 5061785, 8098856, 10123570, 16197712, 20247140, 40494280, 80988560]

約数ペア:

[(1, 80988560), (2, 40494280), (4, 20247140), (5, 16197712), (8, 10123570), (10, 8098856), (16, 5061785), (20, 4049428), (37, 2188880), (40, 2024714), (74, 1094440), (80, 1012357), (148, 547220), (185, 437776), (296, 273610), (370, 218888), (592, 136805), (740, 109444), (1480, 54722), (2960, 27361)]