39947824

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20981}}^1$

素因数の和:21013

約数の個数: 40

約数和(自身を含む): 93663648

約数和(自身を除く): 53715824

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 952, 1904, 20981, 41962, 83924, 146867, 167848, 293734, 335696, 356677, 587468, 713354, 1174936, 1426708, 2349872, 2496739, 2853416, 4993478, 5706832, 9986956, 19973912, 39947824]

約数ペア:

[(1, 39947824), (2, 19973912), (4, 9986956), (7, 5706832), (8, 4993478), (14, 2853416), (16, 2496739), (17, 2349872), (28, 1426708), (34, 1174936), (56, 713354), (68, 587468), (112, 356677), (119, 335696), (136, 293734), (238, 167848), (272, 146867), (476, 83924), (952, 41962), (1904, 20981)]