80178784

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18839}}^1$

素因数の和:18875

約数の個数: 48

約数和(自身を含む): 189907200

約数和(自身を除く): 109728416

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 18839, 37678, 75356, 131873, 150712, 263746, 301424, 357941, 527492, 602848, 715882, 1054984, 1431764, 2109968, 2505587, 2863528, 4219936, 5011174, 5727056, 10022348, 11454112, 20044696, 40089392, 80178784]

約数ペア:

[(1, 80178784), (2, 40089392), (4, 20044696), (7, 11454112), (8, 10022348), (14, 5727056), (16, 5011174), (19, 4219936), (28, 2863528), (32, 2505587), (38, 2109968), (56, 1431764), (76, 1054984), (112, 715882), (133, 602848), (152, 527492), (224, 357941), (266, 301424), (304, 263746), (532, 150712), (608, 131873), (1064, 75356), (2128, 37678), (4256, 18839)]