8008280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{773}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 21176640

約数和(自身を除く): 13168360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 773, 1036, 1295, 1480, 1546, 2072, 2590, 3092, 3865, 5180, 5411, 6184, 7730, 10360, 10822, 15460, 21644, 27055, 28601, 30920, 43288, 54110, 57202, 108220, 114404, 143005, 200207, 216440, 228808, 286010, 400414, 572020, 800828, 1001035, 1144040, 1601656, 2002070, 4004140, 8008280]

約数ペア:

[(1, 8008280), (2, 4004140), (4, 2002070), (5, 1601656), (7, 1144040), (8, 1001035), (10, 800828), (14, 572020), (20, 400414), (28, 286010), (35, 228808), (37, 216440), (40, 200207), (56, 143005), (70, 114404), (74, 108220), (140, 57202), (148, 54110), (185, 43288), (259, 30920), (280, 28601), (296, 27055), (370, 21644), (518, 15460), (740, 10822), (773, 10360), (1036, 7730), (1295, 6184), (1480, 5411), (1546, 5180), (2072, 3865), (2590, 3092)]