40893728

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:561

約数の個数: 48

約数和(自身を含む): 83825280

約数和(自身を除く): 42931552

約数列:

[1, 2, 4, 8, 16, 32, 41, 71, 82, 142, 164, 284, 328, 439, 568, 656, 878, 1136, 1312, 1756, 2272, 2911, 3512, 5822, 7024, 11644, 14048, 17999, 23288, 31169, 35998, 46576, 62338, 71996, 93152, 124676, 143992, 249352, 287984, 498704, 575968, 997408, 1277929, 2555858, 5111716, 10223432, 20446864, 40893728]

約数ペア:

[(1, 40893728), (2, 20446864), (4, 10223432), (8, 5111716), (16, 2555858), (32, 1277929), (41, 997408), (71, 575968), (82, 498704), (142, 287984), (164, 249352), (284, 143992), (328, 124676), (439, 93152), (568, 71996), (656, 62338), (878, 46576), (1136, 35998), (1312, 31169), (1756, 23288), (2272, 17999), (2911, 14048), (3512, 11644), (5822, 7024)]