81837200

素因数分解:

$2^4\times 5^2\times {\mathrm{109}}^1\times {\mathrm{1877}}^1$

素因数の和:2004

約数の個数: 60

約数和(自身を含む): 198523380

約数和(自身を除く): 116686180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 109, 200, 218, 400, 436, 545, 872, 1090, 1744, 1877, 2180, 2725, 3754, 4360, 5450, 7508, 8720, 9385, 10900, 15016, 18770, 21800, 30032, 37540, 43600, 46925, 75080, 93850, 150160, 187700, 204593, 375400, 409186, 750800, 818372, 1022965, 1636744, 2045930, 3273488, 4091860, 5114825, 8183720, 10229650, 16367440, 20459300, 40918600, 81837200]

約数ペア:

[(1, 81837200), (2, 40918600), (4, 20459300), (5, 16367440), (8, 10229650), (10, 8183720), (16, 5114825), (20, 4091860), (25, 3273488), (40, 2045930), (50, 1636744), (80, 1022965), (100, 818372), (109, 750800), (200, 409186), (218, 375400), (400, 204593), (436, 187700), (545, 150160), (872, 93850), (1090, 75080), (1744, 46925), (1877, 43600), (2180, 37540), (2725, 30032), (3754, 21800), (4360, 18770), (5450, 15016), (7508, 10900), (8720, 9385)]