12903160

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1831

約数の個数: 32

約数和(自身を含む): 29196000

約数和(自身を除く): 16292840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1621, 1990, 3242, 3980, 6484, 7960, 8105, 12968, 16210, 32420, 64840, 322579, 645158, 1290316, 1612895, 2580632, 3225790, 6451580, 12903160]

約数ペア:

[(1, 12903160), (2, 6451580), (4, 3225790), (5, 2580632), (8, 1612895), (10, 1290316), (20, 645158), (40, 322579), (199, 64840), (398, 32420), (796, 16210), (995, 12968), (1592, 8105), (1621, 7960), (1990, 6484), (3242, 3980)]