3983920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2621}}^1$

素因数の和:2653

約数の個数: 40

約数和(自身を含む): 9753840

約数和(自身を除く): 5769920

約数列:

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

約数ペア:

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