15940990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2609}}^1$

素因数の和:2676

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 15629570

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 2609, 3055, 5218, 6110, 13045, 26090, 33917, 67834, 122623, 169585, 245246, 339170, 613115, 1226230, 1594099, 3188198, 7970495, 15940990]

約数ペア:

[(1, 15940990), (2, 7970495), (5, 3188198), (10, 1594099), (13, 1226230), (26, 613115), (47, 339170), (65, 245246), (94, 169585), (130, 122623), (235, 67834), (470, 33917), (611, 26090), (1222, 13045), (2609, 6110), (3055, 5218)]