65475440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{7649}}^1$

素因数の和:7769

約数の個数: 40

約数和(自身を含む): 153673200

約数和(自身を除く): 88197760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 7649, 8560, 15298, 30596, 38245, 61192, 76490, 122384, 152980, 305960, 611920, 818443, 1636886, 3273772, 4092215, 6547544, 8184430, 13095088, 16368860, 32737720, 65475440]

約数ペア:

[(1, 65475440), (2, 32737720), (4, 16368860), (5, 13095088), (8, 8184430), (10, 6547544), (16, 4092215), (20, 3273772), (40, 1636886), (80, 818443), (107, 611920), (214, 305960), (428, 152980), (535, 122384), (856, 76490), (1070, 61192), (1712, 38245), (2140, 30596), (4280, 15298), (7649, 8560)]