439225960

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{40519}}^1$

素因数の和:40801

約数の個数: 32

約数和(自身を含む): 991929600

約数和(自身を除く): 552703640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 40519, 81038, 162076, 202595, 324152, 405190, 810380, 1620760, 10980649, 21961298, 43922596, 54903245, 87845192, 109806490, 219612980, 439225960]

約数ペア:

[(1, 439225960), (2, 219612980), (4, 109806490), (5, 87845192), (8, 54903245), (10, 43922596), (20, 21961298), (40, 10980649), (271, 1620760), (542, 810380), (1084, 405190), (1355, 324152), (2168, 202595), (2710, 162076), (5420, 81038), (10840, 40519)]