7967840

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2655

約数の個数: 48

約数和(自身を含む): 19822320

約数和(自身を除く): 11854480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 2621, 3040, 5242, 10484, 13105, 20968, 26210, 41936, 49799, 52420, 83872, 99598, 104840, 199196, 209680, 248995, 398392, 419360, 497990, 796784, 995980, 1593568, 1991960, 3983920, 7967840]

約数ペア:

[(1, 7967840), (2, 3983920), (4, 1991960), (5, 1593568), (8, 995980), (10, 796784), (16, 497990), (19, 419360), (20, 398392), (32, 248995), (38, 209680), (40, 199196), (76, 104840), (80, 99598), (95, 83872), (152, 52420), (160, 49799), (190, 41936), (304, 26210), (380, 20968), (608, 13105), (760, 10484), (1520, 5242), (2621, 3040)]