40649728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 88

約数和(自身を含む): 95504832

約数和(自身を除く): 54855104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 107, 112, 128, 212, 214, 224, 256, 371, 424, 428, 448, 512, 742, 749, 848, 856, 896, 1024, 1484, 1498, 1696, 1712, 1792, 2968, 2996, 3392, 3424, 3584, 5671, 5936, 5992, 6784, 6848, 7168, 11342, 11872, 11984, 13568, 13696, 22684, 23744, 23968, 27136, 27392, 39697, 45368, 47488, 47936, 54272, 54784, 79394, 90736, 94976, 95872, 109568, 158788, 181472, 189952, 191744, 317576, 362944, 379904, 383488, 635152, 725888, 766976, 1270304, 1451776, 2540608, 2903552, 5081216, 5807104, 10162432, 20324864, 40649728]

約数ペア:

[(1, 40649728), (2, 20324864), (4, 10162432), (7, 5807104), (8, 5081216), (14, 2903552), (16, 2540608), (28, 1451776), (32, 1270304), (53, 766976), (56, 725888), (64, 635152), (106, 383488), (107, 379904), (112, 362944), (128, 317576), (212, 191744), (214, 189952), (224, 181472), (256, 158788), (371, 109568), (424, 95872), (428, 94976), (448, 90736), (512, 79394), (742, 54784), (749, 54272), (848, 47936), (856, 47488), (896, 45368), (1024, 39697), (1484, 27392), (1498, 27136), (1696, 23968), (1712, 23744), (1792, 22684), (2968, 13696), (2996, 13568), (3392, 11984), (3424, 11872), (3584, 11342), (5671, 7168), (5936, 6848), (5992, 6784)]