39999796

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1621}}^1$

素因数の和:1855

約数の個数: 24

約数和(自身を含む): 72665600

約数和(自身を除く): 32665804

約数列:

[1, 2, 4, 31, 62, 124, 199, 398, 796, 1621, 3242, 6169, 6484, 12338, 24676, 50251, 100502, 201004, 322579, 645158, 1290316, 9999949, 19999898, 39999796]

約数ペア:

[(1, 39999796), (2, 19999898), (4, 9999949), (31, 1290316), (62, 645158), (124, 322579), (199, 201004), (398, 100502), (796, 50251), (1621, 24676), (3242, 12338), (6169, 6484)]