90042760

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42473}}^1$

素因数の和:42537

約数の個数: 32

約数和(自身を含む): 206423640

約数和(自身を除く): 116380880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42473, 84946, 169892, 212365, 339784, 424730, 849460, 1698920, 2251069, 4502138, 9004276, 11255345, 18008552, 22510690, 45021380, 90042760]

約数ペア:

[(1, 90042760), (2, 45021380), (4, 22510690), (5, 18008552), (8, 11255345), (10, 9004276), (20, 4502138), (40, 2251069), (53, 1698920), (106, 849460), (212, 424730), (265, 339784), (424, 212365), (530, 169892), (1060, 84946), (2120, 42473)]