39087440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 104659968

約数和(自身を除く): 65572528

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 223, 280, 313, 446, 560, 626, 892, 1115, 1252, 1561, 1565, 1784, 2191, 2230, 2504, 3122, 3130, 3568, 4382, 4460, 5008, 6244, 6260, 7805, 8764, 8920, 10955, 12488, 12520, 15610, 17528, 17840, 21910, 24976, 25040, 31220, 35056, 43820, 62440, 69799, 87640, 124880, 139598, 175280, 279196, 348995, 488593, 558392, 697990, 977186, 1116784, 1395980, 1954372, 2442965, 2791960, 3908744, 4885930, 5583920, 7817488, 9771860, 19543720, 39087440]

約数ペア:

[(1, 39087440), (2, 19543720), (4, 9771860), (5, 7817488), (7, 5583920), (8, 4885930), (10, 3908744), (14, 2791960), (16, 2442965), (20, 1954372), (28, 1395980), (35, 1116784), (40, 977186), (56, 697990), (70, 558392), (80, 488593), (112, 348995), (140, 279196), (223, 175280), (280, 139598), (313, 124880), (446, 87640), (560, 69799), (626, 62440), (892, 43820), (1115, 35056), (1252, 31220), (1561, 25040), (1565, 24976), (1784, 21910), (2191, 17840), (2230, 17528), (2504, 15610), (3122, 12520), (3130, 12488), (3568, 10955), (4382, 8920), (4460, 8764), (5008, 7805), (6244, 6260)]