39642070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{4999}}^1$

素因数の和:5080

約数の個数: 32

約数和(自身を含む): 78120000

約数和(自身を除く): 38477930

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 305, 610, 793, 1586, 3965, 4999, 7930, 9998, 24995, 49990, 64987, 129974, 304939, 324935, 609878, 649870, 1524695, 3049390, 3964207, 7928414, 19821035, 39642070]

約数ペア:

[(1, 39642070), (2, 19821035), (5, 7928414), (10, 3964207), (13, 3049390), (26, 1524695), (61, 649870), (65, 609878), (122, 324935), (130, 304939), (305, 129974), (610, 64987), (793, 49990), (1586, 24995), (3965, 9998), (4999, 7930)]