408025960

素因数分解:

$2^3\times 5^1\times {\mathrm{1327}}^1\times {\mathrm{7687}}^1$

素因数の和:9025

約数の個数: 32

約数和(自身を含む): 918869760

約数和(自身を除く): 510843800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1327, 2654, 5308, 6635, 7687, 10616, 13270, 15374, 26540, 30748, 38435, 53080, 61496, 76870, 153740, 307480, 10200649, 20401298, 40802596, 51003245, 81605192, 102006490, 204012980, 408025960]

約数ペア:

[(1, 408025960), (2, 204012980), (4, 102006490), (5, 81605192), (8, 51003245), (10, 40802596), (20, 20401298), (40, 10200649), (1327, 307480), (2654, 153740), (5308, 76870), (6635, 61496), (7687, 53080), (10616, 38435), (13270, 30748), (15374, 26540)]