2719840

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:295

約数の個数: 48

約数和(自身を含む): 6531840

約数和(自身を除く): 3812000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 191, 356, 382, 445, 712, 764, 890, 955, 1424, 1528, 1780, 1910, 2848, 3056, 3560, 3820, 6112, 7120, 7640, 14240, 15280, 16999, 30560, 33998, 67996, 84995, 135992, 169990, 271984, 339980, 543968, 679960, 1359920, 2719840]

約数ペア:

[(1, 2719840), (2, 1359920), (4, 679960), (5, 543968), (8, 339980), (10, 271984), (16, 169990), (20, 135992), (32, 84995), (40, 67996), (80, 33998), (89, 30560), (160, 16999), (178, 15280), (191, 14240), (356, 7640), (382, 7120), (445, 6112), (712, 3820), (764, 3560), (890, 3056), (955, 2848), (1424, 1910), (1528, 1780)]