201620268760

素因数分解:

$2^3\times 5^1\times {\mathrm{1277}}^1\times {\mathrm{3947147}}^1$

素因数の和:3948435

約数の個数: 32

約数和(自身を含む): 454000962960

約数和(自身を除く): 252380694200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1277, 2554, 5108, 6385, 10216, 12770, 25540, 51080, 3947147, 7894294, 15788588, 19735735, 31577176, 39471470, 78942940, 157885880, 5040506719, 10081013438, 20162026876, 25202533595, 40324053752, 50405067190, 100810134380, 201620268760]

約数ペア:

[(1, 201620268760), (2, 100810134380), (4, 50405067190), (5, 40324053752), (8, 25202533595), (10, 20162026876), (20, 10081013438), (40, 5040506719), (1277, 157885880), (2554, 78942940), (5108, 39471470), (6385, 31577176), (10216, 19735735), (12770, 15788588), (25540, 7894294), (51080, 3947147)]