78198320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18443}}^1$

素因数の和:18509

約数の個数: 40

約数和(自身を含む): 185251536

約数和(自身を除く): 107053216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 18443, 36886, 73772, 92215, 147544, 184430, 295088, 368860, 737720, 977479, 1475440, 1954958, 3909916, 4887395, 7819832, 9774790, 15639664, 19549580, 39099160, 78198320]

約数ペア:

[(1, 78198320), (2, 39099160), (4, 19549580), (5, 15639664), (8, 9774790), (10, 7819832), (16, 4887395), (20, 3909916), (40, 1954958), (53, 1475440), (80, 977479), (106, 737720), (212, 368860), (265, 295088), (424, 184430), (530, 147544), (848, 92215), (1060, 73772), (2120, 36886), (4240, 18443)]