16455440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3881}}^1$

素因数の和:3947

約数の個数: 40

約数和(自身を含む): 38990808

約数和(自身を除く): 22535368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 3881, 4240, 7762, 15524, 19405, 31048, 38810, 62096, 77620, 155240, 205693, 310480, 411386, 822772, 1028465, 1645544, 2056930, 3291088, 4113860, 8227720, 16455440]

約数ペア:

[(1, 16455440), (2, 8227720), (4, 4113860), (5, 3291088), (8, 2056930), (10, 1645544), (16, 1028465), (20, 822772), (40, 411386), (53, 310480), (80, 205693), (106, 155240), (212, 77620), (265, 62096), (424, 38810), (530, 31048), (848, 19405), (1060, 15524), (2120, 7762), (3881, 4240)]