24720920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{88289}}^1$

素因数の和:88307

約数の個数: 32

約数和(自身を含む): 63568800

約数和(自身を除く): 38847880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 88289, 176578, 353156, 441445, 618023, 706312, 882890, 1236046, 1765780, 2472092, 3090115, 3531560, 4944184, 6180230, 12360460, 24720920]

約数ペア:

[(1, 24720920), (2, 12360460), (4, 6180230), (5, 4944184), (7, 3531560), (8, 3090115), (10, 2472092), (14, 1765780), (20, 1236046), (28, 882890), (35, 706312), (40, 618023), (56, 441445), (70, 353156), (140, 176578), (280, 88289)]