8915140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2017}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 21358512

約数和(自身を除く): 12443372

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2017, 2210, 4034, 4420, 8068, 10085, 20170, 26221, 34289, 40340, 52442, 68578, 104884, 131105, 137156, 171445, 262210, 342890, 445757, 524420, 685780, 891514, 1783028, 2228785, 4457570, 8915140]

約数ペア:

[(1, 8915140), (2, 4457570), (4, 2228785), (5, 1783028), (10, 891514), (13, 685780), (17, 524420), (20, 445757), (26, 342890), (34, 262210), (52, 171445), (65, 137156), (68, 131105), (85, 104884), (130, 68578), (170, 52442), (221, 40340), (260, 34289), (340, 26221), (442, 20170), (884, 10085), (1105, 8068), (2017, 4420), (2210, 4034)]