12500050

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:207

約数の個数: 36

約数和(自身を含む): 23963310

約数和(自身を除く): 11463260

約数列:

[1, 2, 5, 10, 25, 50, 53, 89, 106, 178, 265, 445, 530, 890, 1325, 2225, 2650, 2809, 4450, 4717, 5618, 9434, 14045, 23585, 28090, 47170, 70225, 117925, 140450, 235850, 250001, 500002, 1250005, 2500010, 6250025, 12500050]

約数ペア:

[(1, 12500050), (2, 6250025), (5, 2500010), (10, 1250005), (25, 500002), (50, 250001), (53, 235850), (89, 140450), (106, 117925), (178, 70225), (265, 47170), (445, 28090), (530, 23585), (890, 14045), (1325, 9434), (2225, 5618), (2650, 4717), (2809, 4450)]