28479680

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1459}}^1$

素因数の和:1537

約数の個数: 56

約数和(自身を含む): 68976240

約数和(自身を除く): 40496560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1459, 1952, 2440, 2918, 3904, 4880, 5836, 7295, 9760, 11672, 14590, 19520, 23344, 29180, 46688, 58360, 88999, 93376, 116720, 177998, 233440, 355996, 444995, 466880, 711992, 889990, 1423984, 1779980, 2847968, 3559960, 5695936, 7119920, 14239840, 28479680]

約数ペア:

[(1, 28479680), (2, 14239840), (4, 7119920), (5, 5695936), (8, 3559960), (10, 2847968), (16, 1779980), (20, 1423984), (32, 889990), (40, 711992), (61, 466880), (64, 444995), (80, 355996), (122, 233440), (160, 177998), (244, 116720), (305, 93376), (320, 88999), (488, 58360), (610, 46688), (976, 29180), (1220, 23344), (1459, 19520), (1952, 14590), (2440, 11672), (2918, 9760), (3904, 7295), (4880, 5836)]