71399221220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4327}}^1\times {\mathrm{20123}}^1$

素因数の和:24500

約数の個数: 48

約数和(自身を含む): 153638529408

約数和(自身を除く): 82239308188

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4327, 8654, 17308, 20123, 21635, 40246, 43270, 80492, 86540, 100615, 177407, 201230, 354814, 402460, 709628, 825043, 887035, 1650086, 1774070, 3300172, 3548140, 4125215, 8250430, 16500860, 87072221, 174144442, 348288884, 435361105, 870722210, 1741444420, 3569961061, 7139922122, 14279844244, 17849805305, 35699610610, 71399221220]

約数ペア:

[(1, 71399221220), (2, 35699610610), (4, 17849805305), (5, 14279844244), (10, 7139922122), (20, 3569961061), (41, 1741444420), (82, 870722210), (164, 435361105), (205, 348288884), (410, 174144442), (820, 87072221), (4327, 16500860), (8654, 8250430), (17308, 4125215), (20123, 3548140), (21635, 3300172), (40246, 1774070), (43270, 1650086), (80492, 887035), (86540, 825043), (100615, 709628), (177407, 402460), (201230, 354814)]