201940040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{1039}}^1$

素因数の和:1206

約数の個数: 64

約数和(自身を含む): 469497600

約数和(自身を除く): 267557560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 113, 172, 215, 226, 344, 430, 452, 565, 860, 904, 1039, 1130, 1720, 2078, 2260, 4156, 4520, 4859, 5195, 8312, 9718, 10390, 19436, 20780, 24295, 38872, 41560, 44677, 48590, 89354, 97180, 117407, 178708, 194360, 223385, 234814, 357416, 446770, 469628, 587035, 893540, 939256, 1174070, 1787080, 2348140, 4696280, 5048501, 10097002, 20194004, 25242505, 40388008, 50485010, 100970020, 201940040]

約数ペア:

[(1, 201940040), (2, 100970020), (4, 50485010), (5, 40388008), (8, 25242505), (10, 20194004), (20, 10097002), (40, 5048501), (43, 4696280), (86, 2348140), (113, 1787080), (172, 1174070), (215, 939256), (226, 893540), (344, 587035), (430, 469628), (452, 446770), (565, 357416), (860, 234814), (904, 223385), (1039, 194360), (1130, 178708), (1720, 117407), (2078, 97180), (2260, 89354), (4156, 48590), (4520, 44677), (4859, 41560), (5195, 38872), (8312, 24295), (9718, 20780), (10390, 19436)]