207988240

素因数分解:

$2^4\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{2383}}^1$

素因数の和:3487

約数の個数: 40

約数和(自身を含む): 484219008

約数和(自身を除く): 276230768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1091, 2182, 2383, 4364, 4766, 5455, 8728, 9532, 10910, 11915, 17456, 19064, 21820, 23830, 38128, 43640, 47660, 87280, 95320, 190640, 2599853, 5199706, 10399412, 12999265, 20798824, 25998530, 41597648, 51997060, 103994120, 207988240]

約数ペア:

[(1, 207988240), (2, 103994120), (4, 51997060), (5, 41597648), (8, 25998530), (10, 20798824), (16, 12999265), (20, 10399412), (40, 5199706), (80, 2599853), (1091, 190640), (2182, 95320), (2383, 87280), (4364, 47660), (4766, 43640), (5455, 38128), (8728, 23830), (9532, 21820), (10910, 19064), (11915, 17456)]