12543440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1723}}^1$

素因数の和:1756

約数の個数: 80

約数和(自身を含む): 35914368

約数和(自身を除く): 23370928

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1723, 1820, 3446, 3640, 6892, 7280, 8615, 12061, 13784, 17230, 22399, 24122, 27568, 34460, 44798, 48244, 60305, 68920, 89596, 96488, 111995, 120610, 137840, 156793, 179192, 192976, 223990, 241220, 313586, 358384, 447980, 482440, 627172, 783965, 895960, 964880, 1254344, 1567930, 1791920, 2508688, 3135860, 6271720, 12543440]

約数ペア:

[(1, 12543440), (2, 6271720), (4, 3135860), (5, 2508688), (7, 1791920), (8, 1567930), (10, 1254344), (13, 964880), (14, 895960), (16, 783965), (20, 627172), (26, 482440), (28, 447980), (35, 358384), (40, 313586), (52, 241220), (56, 223990), (65, 192976), (70, 179192), (80, 156793), (91, 137840), (104, 120610), (112, 111995), (130, 96488), (140, 89596), (182, 68920), (208, 60305), (260, 48244), (280, 44798), (364, 34460), (455, 27568), (520, 24122), (560, 22399), (728, 17230), (910, 13784), (1040, 12061), (1456, 8615), (1723, 7280), (1820, 6892), (3446, 3640)]