16941520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12457}}^1$

素因数の和:12487

約数の個数: 40

約数和(自身を含む): 41709384

約数和(自身を除く): 24767864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 12457, 24914, 49828, 62285, 99656, 124570, 199312, 211769, 249140, 423538, 498280, 847076, 996560, 1058845, 1694152, 2117690, 3388304, 4235380, 8470760, 16941520]

約数ペア:

[(1, 16941520), (2, 8470760), (4, 4235380), (5, 3388304), (8, 2117690), (10, 1694152), (16, 1058845), (17, 996560), (20, 847076), (34, 498280), (40, 423538), (68, 249140), (80, 211769), (85, 199312), (136, 124570), (170, 99656), (272, 62285), (340, 49828), (680, 24914), (1360, 12457)]