13248640

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 32117760

約数和(自身を除く): 18869120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 163, 254, 320, 326, 508, 635, 640, 652, 815, 1016, 1270, 1304, 1630, 2032, 2540, 2608, 3260, 4064, 5080, 5216, 6520, 8128, 10160, 10432, 13040, 16256, 20320, 20701, 20864, 26080, 40640, 41402, 52160, 81280, 82804, 103505, 104320, 165608, 207010, 331216, 414020, 662432, 828040, 1324864, 1656080, 2649728, 3312160, 6624320, 13248640]

約数ペア:

[(1, 13248640), (2, 6624320), (4, 3312160), (5, 2649728), (8, 1656080), (10, 1324864), (16, 828040), (20, 662432), (32, 414020), (40, 331216), (64, 207010), (80, 165608), (127, 104320), (128, 103505), (160, 82804), (163, 81280), (254, 52160), (320, 41402), (326, 40640), (508, 26080), (635, 20864), (640, 20701), (652, 20320), (815, 16256), (1016, 13040), (1270, 10432), (1304, 10160), (1630, 8128), (2032, 6520), (2540, 5216), (2608, 5080), (3260, 4064)]