1320247984

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{394811}}^1$

素因数の和:394849

約数の個数: 40

約数和(自身を含む): 2937401280

約数和(自身を除く): 1617153296

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 394811, 789622, 1579244, 3158488, 4342921, 6316976, 7501409, 8685842, 15002818, 17371684, 30005636, 34743368, 60011272, 69486736, 82515499, 120022544, 165030998, 330061996, 660123992, 1320247984]

約数ペア:

[(1, 1320247984), (2, 660123992), (4, 330061996), (8, 165030998), (11, 120022544), (16, 82515499), (19, 69486736), (22, 60011272), (38, 34743368), (44, 30005636), (76, 17371684), (88, 15002818), (152, 8685842), (176, 7501409), (209, 6316976), (304, 4342921), (418, 3158488), (836, 1579244), (1672, 789622), (3344, 394811)]