23430140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13163}}^1$

素因数の和:13261

約数の個数: 24

約数和(自身を含む): 49759920

約数和(自身を除く): 26329780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 13163, 26326, 52652, 65815, 131630, 263260, 1171507, 2343014, 4686028, 5857535, 11715070, 23430140]

約数ペア:

[(1, 23430140), (2, 11715070), (4, 5857535), (5, 4686028), (10, 2343014), (20, 1171507), (89, 263260), (178, 131630), (356, 65815), (445, 52652), (890, 26326), (1780, 13163)]