40680256

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 56

約数和(自身を含む): 83941920

約数和(自身を除く): 43261664

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 67, 106, 134, 179, 212, 268, 358, 424, 536, 716, 848, 1072, 1432, 1696, 2144, 2864, 3392, 3551, 4288, 5728, 7102, 9487, 11456, 11993, 14204, 18974, 23986, 28408, 37948, 47972, 56816, 75896, 95944, 113632, 151792, 191888, 227264, 303584, 383776, 607168, 635629, 767552, 1271258, 2542516, 5085032, 10170064, 20340128, 40680256]

約数ペア:

[(1, 40680256), (2, 20340128), (4, 10170064), (8, 5085032), (16, 2542516), (32, 1271258), (53, 767552), (64, 635629), (67, 607168), (106, 383776), (134, 303584), (179, 227264), (212, 191888), (268, 151792), (358, 113632), (424, 95944), (536, 75896), (716, 56816), (848, 47972), (1072, 37948), (1432, 28408), (1696, 23986), (2144, 18974), (2864, 14204), (3392, 11993), (3551, 11456), (4288, 9487), (5728, 7102)]