8394340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 18733680

約数和(自身を除く): 10339340

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 205, 290, 353, 410, 580, 706, 820, 1189, 1412, 1765, 2378, 3530, 4756, 5945, 7060, 10237, 11890, 14473, 20474, 23780, 28946, 40948, 51185, 57892, 72365, 102370, 144730, 204740, 289460, 419717, 839434, 1678868, 2098585, 4197170, 8394340]

約数ペア:

[(1, 8394340), (2, 4197170), (4, 2098585), (5, 1678868), (10, 839434), (20, 419717), (29, 289460), (41, 204740), (58, 144730), (82, 102370), (116, 72365), (145, 57892), (164, 51185), (205, 40948), (290, 28946), (353, 23780), (410, 20474), (580, 14473), (706, 11890), (820, 10237), (1189, 7060), (1412, 5945), (1765, 4756), (2378, 3530)]