50000200

素因数分解:

$2^3\times 5^2\times {\mathrm{53}}^2\times {\mathrm{89}}^1$

素因数の和:211

約数の個数: 72

約数和(自身を含む): 119816550

約数和(自身を除く): 69816350

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 53, 89, 100, 106, 178, 200, 212, 265, 356, 424, 445, 530, 712, 890, 1060, 1325, 1780, 2120, 2225, 2650, 2809, 3560, 4450, 4717, 5300, 5618, 8900, 9434, 10600, 11236, 14045, 17800, 18868, 22472, 23585, 28090, 37736, 47170, 56180, 70225, 94340, 112360, 117925, 140450, 188680, 235850, 250001, 280900, 471700, 500002, 561800, 943400, 1000004, 1250005, 2000008, 2500010, 5000020, 6250025, 10000040, 12500050, 25000100, 50000200]

約数ペア:

[(1, 50000200), (2, 25000100), (4, 12500050), (5, 10000040), (8, 6250025), (10, 5000020), (20, 2500010), (25, 2000008), (40, 1250005), (50, 1000004), (53, 943400), (89, 561800), (100, 500002), (106, 471700), (178, 280900), (200, 250001), (212, 235850), (265, 188680), (356, 140450), (424, 117925), (445, 112360), (530, 94340), (712, 70225), (890, 56180), (1060, 47170), (1325, 37736), (1780, 28090), (2120, 23585), (2225, 22472), (2650, 18868), (2809, 17800), (3560, 14045), (4450, 11236), (4717, 10600), (5300, 9434), (5618, 8900)]