40961888

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 90493200

約数和(自身を除く): 49531312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 121, 142, 149, 176, 242, 284, 298, 352, 484, 568, 596, 781, 968, 1136, 1192, 1562, 1639, 1936, 2272, 2384, 3124, 3278, 3872, 4768, 6248, 6556, 8591, 10579, 12496, 13112, 17182, 18029, 21158, 24992, 26224, 34364, 36058, 42316, 52448, 68728, 72116, 84632, 116369, 137456, 144232, 169264, 232738, 274912, 288464, 338528, 465476, 576928, 930952, 1280059, 1861904, 2560118, 3723808, 5120236, 10240472, 20480944, 40961888]

約数ペア:

[(1, 40961888), (2, 20480944), (4, 10240472), (8, 5120236), (11, 3723808), (16, 2560118), (22, 1861904), (32, 1280059), (44, 930952), (71, 576928), (88, 465476), (121, 338528), (142, 288464), (149, 274912), (176, 232738), (242, 169264), (284, 144232), (298, 137456), (352, 116369), (484, 84632), (568, 72116), (596, 68728), (781, 52448), (968, 42316), (1136, 36058), (1192, 34364), (1562, 26224), (1639, 24992), (1936, 21158), (2272, 18029), (2384, 17182), (3124, 13112), (3278, 12496), (3872, 10579), (4768, 8591), (6248, 6556)]