16718320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3943}}^1$

素因数の和:4009

約数の個数: 40

約数和(自身を含む): 39613536

約数和(自身を除く): 22895216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 3943, 4240, 7886, 15772, 19715, 31544, 39430, 63088, 78860, 157720, 208979, 315440, 417958, 835916, 1044895, 1671832, 2089790, 3343664, 4179580, 8359160, 16718320]

約数ペア:

[(1, 16718320), (2, 8359160), (4, 4179580), (5, 3343664), (8, 2089790), (10, 1671832), (16, 1044895), (20, 835916), (40, 417958), (53, 315440), (80, 208979), (106, 157720), (212, 78860), (265, 63088), (424, 39430), (530, 31544), (848, 19715), (1060, 15772), (2120, 7886), (3943, 4240)]