1644260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4355

約数の個数: 24

約数和(自身を含む): 3635520

約数和(自身を除く): 1991260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4327, 8654, 17308, 21635, 43270, 82213, 86540, 164426, 328852, 411065, 822130, 1644260]

約数ペア:

[(1, 1644260), (2, 822130), (4, 411065), (5, 328852), (10, 164426), (19, 86540), (20, 82213), (38, 43270), (76, 21635), (95, 17308), (190, 8654), (380, 4327)]