2879840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:495

約数の個数: 48

約数和(自身を含む): 6985440

約数和(自身を除く): 4105600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 439, 656, 820, 878, 1312, 1640, 1756, 2195, 3280, 3512, 4390, 6560, 7024, 8780, 14048, 17560, 17999, 35120, 35998, 70240, 71996, 89995, 143992, 179990, 287984, 359980, 575968, 719960, 1439920, 2879840]

約数ペア:

[(1, 2879840), (2, 1439920), (4, 719960), (5, 575968), (8, 359980), (10, 287984), (16, 179990), (20, 143992), (32, 89995), (40, 71996), (41, 70240), (80, 35998), (82, 35120), (160, 17999), (164, 17560), (205, 14048), (328, 8780), (410, 7024), (439, 6560), (656, 4390), (820, 3512), (878, 3280), (1312, 2195), (1640, 1756)]