21950873750

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{1350823}}^1$

素因数の和:1350858

約数の個数: 40

約数和(自身を含む): 44309728848

約数和(自身を除く): 22358855098

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 1350823, 2701646, 6754115, 13508230, 17560699, 33770575, 35121398, 67541150, 87803495, 168852875, 175606990, 337705750, 439017475, 844264375, 878034950, 1688528750, 2195087375, 4390174750, 10975436875, 21950873750]

約数ペア:

[(1, 21950873750), (2, 10975436875), (5, 4390174750), (10, 2195087375), (13, 1688528750), (25, 878034950), (26, 844264375), (50, 439017475), (65, 337705750), (125, 175606990), (130, 168852875), (250, 87803495), (325, 67541150), (625, 35121398), (650, 33770575), (1250, 17560699), (1625, 13508230), (3250, 6754115), (8125, 2701646), (16250, 1350823)]