129129920

素因数分解:

$2^6\times 5^1\times {\mathrm{457}}^1\times {\mathrm{883}}^1$

素因数の和:1357

約数の個数: 56

約数和(自身を含む): 308512464

約数和(自身を除く): 179382544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 457, 883, 914, 1766, 1828, 2285, 3532, 3656, 4415, 4570, 7064, 7312, 8830, 9140, 14128, 14624, 17660, 18280, 28256, 29248, 35320, 36560, 56512, 70640, 73120, 141280, 146240, 282560, 403531, 807062, 1614124, 2017655, 3228248, 4035310, 6456496, 8070620, 12912992, 16141240, 25825984, 32282480, 64564960, 129129920]

約数ペア:

[(1, 129129920), (2, 64564960), (4, 32282480), (5, 25825984), (8, 16141240), (10, 12912992), (16, 8070620), (20, 6456496), (32, 4035310), (40, 3228248), (64, 2017655), (80, 1614124), (160, 807062), (320, 403531), (457, 282560), (883, 146240), (914, 141280), (1766, 73120), (1828, 70640), (2285, 56512), (3532, 36560), (3656, 35320), (4415, 29248), (4570, 28256), (7064, 18280), (7312, 17660), (8830, 14624), (9140, 14128)]