31533560

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2909}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 71236800

約数和(自身を除く): 39703240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 2909, 5420, 5818, 10840, 11636, 14545, 23272, 29090, 58180, 116360, 788339, 1576678, 3153356, 3941695, 6306712, 7883390, 15766780, 31533560]

約数ペア:

[(1, 31533560), (2, 15766780), (4, 7883390), (5, 6306712), (8, 3941695), (10, 3153356), (20, 1576678), (40, 788339), (271, 116360), (542, 58180), (1084, 29090), (1355, 23272), (2168, 14545), (2710, 11636), (2909, 10840), (5420, 5818)]