1640759824

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{52081}}^1$

素因数の和:52279

約数の個数: 40

約数和(自身を含む): 3487410720

約数和(自身を除く): 1846650896

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 716, 1432, 1969, 2864, 3938, 7876, 15752, 31504, 52081, 104162, 208324, 416648, 572891, 833296, 1145782, 2291564, 4583128, 9166256, 9322499, 18644998, 37289996, 74579992, 102547489, 149159984, 205094978, 410189956, 820379912, 1640759824]

約数ペア:

[(1, 1640759824), (2, 820379912), (4, 410189956), (8, 205094978), (11, 149159984), (16, 102547489), (22, 74579992), (44, 37289996), (88, 18644998), (176, 9322499), (179, 9166256), (358, 4583128), (716, 2291564), (1432, 1145782), (1969, 833296), (2864, 572891), (3938, 416648), (7876, 208324), (15752, 104162), (31504, 52081)]