20171669800

素因数分解:

$2^3\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2345543}}^1$

素因数の和:2345602

約数の個数: 48

約数和(自身を含む): 47989830240

約数和(自身を除く): 27818160440

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 43, 50, 86, 100, 172, 200, 215, 344, 430, 860, 1075, 1720, 2150, 4300, 8600, 2345543, 4691086, 9382172, 11727715, 18764344, 23455430, 46910860, 58638575, 93821720, 100858349, 117277150, 201716698, 234554300, 403433396, 469108600, 504291745, 806866792, 1008583490, 2017166980, 2521458725, 4034333960, 5042917450, 10085834900, 20171669800]

約数ペア:

[(1, 20171669800), (2, 10085834900), (4, 5042917450), (5, 4034333960), (8, 2521458725), (10, 2017166980), (20, 1008583490), (25, 806866792), (40, 504291745), (43, 469108600), (50, 403433396), (86, 234554300), (100, 201716698), (172, 117277150), (200, 100858349), (215, 93821720), (344, 58638575), (430, 46910860), (860, 23455430), (1075, 18764344), (1720, 11727715), (2150, 9382172), (4300, 4691086), (8600, 2345543)]