40985536

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1$

素因数の和:389

約数の個数: 56

約数和(自身を含む): 85094064

約数和(自身を除く): 44108528

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 172, 212, 281, 344, 424, 562, 688, 848, 1124, 1376, 1696, 2248, 2279, 2752, 3392, 4496, 4558, 8992, 9116, 12083, 14893, 17984, 18232, 24166, 29786, 36464, 48332, 59572, 72928, 96664, 119144, 145856, 193328, 238288, 386656, 476576, 640399, 773312, 953152, 1280798, 2561596, 5123192, 10246384, 20492768, 40985536]

約数ペア:

[(1, 40985536), (2, 20492768), (4, 10246384), (8, 5123192), (16, 2561596), (32, 1280798), (43, 953152), (53, 773312), (64, 640399), (86, 476576), (106, 386656), (172, 238288), (212, 193328), (281, 145856), (344, 119144), (424, 96664), (562, 72928), (688, 59572), (848, 48332), (1124, 36464), (1376, 29786), (1696, 24166), (2248, 18232), (2279, 17984), (2752, 14893), (3392, 12083), (4496, 9116), (4558, 8992)]