91809760

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{81973}}^1$

素因数の和:81995

約数の個数: 48

約数和(自身を含む): 247889376

約数和(自身を除く): 156079616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 81973, 163946, 327892, 409865, 573811, 655784, 819730, 1147622, 1311568, 1639460, 2295244, 2623136, 2869055, 3278920, 4590488, 5738110, 6557840, 9180976, 11476220, 13115680, 18361952, 22952440, 45904880, 91809760]

約数ペア:

[(1, 91809760), (2, 45904880), (4, 22952440), (5, 18361952), (7, 13115680), (8, 11476220), (10, 9180976), (14, 6557840), (16, 5738110), (20, 4590488), (28, 3278920), (32, 2869055), (35, 2623136), (40, 2295244), (56, 1639460), (70, 1311568), (80, 1147622), (112, 819730), (140, 655784), (160, 573811), (224, 409865), (280, 327892), (560, 163946), (1120, 81973)]