2561960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3371}}^1$

素因数の和:3401

約数の個数: 32

約数和(自身を含む): 6069600

約数和(自身を除く): 3507640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 3371, 6742, 13484, 16855, 26968, 33710, 64049, 67420, 128098, 134840, 256196, 320245, 512392, 640490, 1280980, 2561960]

約数ペア:

[(1, 2561960), (2, 1280980), (4, 640490), (5, 512392), (8, 320245), (10, 256196), (19, 134840), (20, 128098), (38, 67420), (40, 64049), (76, 33710), (95, 26968), (152, 16855), (190, 13484), (380, 6742), (760, 3371)]