39985496

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:236

約数の個数: 64

約数和(自身を含む): 83280960

約数和(自身を除く): 43295464

約数列:

[1, 2, 4, 8, 17, 34, 41, 68, 71, 82, 101, 136, 142, 164, 202, 284, 328, 404, 568, 697, 808, 1207, 1394, 1717, 2414, 2788, 2911, 3434, 4141, 4828, 5576, 5822, 6868, 7171, 8282, 9656, 11644, 13736, 14342, 16564, 23288, 28684, 33128, 49487, 57368, 70397, 98974, 121907, 140794, 197948, 243814, 281588, 294011, 395896, 487628, 563176, 588022, 975256, 1176044, 2352088, 4998187, 9996374, 19992748, 39985496]

約数ペア:

[(1, 39985496), (2, 19992748), (4, 9996374), (8, 4998187), (17, 2352088), (34, 1176044), (41, 975256), (68, 588022), (71, 563176), (82, 487628), (101, 395896), (136, 294011), (142, 281588), (164, 243814), (202, 197948), (284, 140794), (328, 121907), (404, 98974), (568, 70397), (697, 57368), (808, 49487), (1207, 33128), (1394, 28684), (1717, 23288), (2414, 16564), (2788, 14342), (2911, 13736), (3434, 11644), (4141, 9656), (4828, 8282), (5576, 7171), (5822, 6868)]