28265540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74383}}^1$

素因数の和:74411

約数の個数: 24

約数和(自身を含む): 62482560

約数和(自身を除く): 34217020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74383, 148766, 297532, 371915, 743830, 1413277, 1487660, 2826554, 5653108, 7066385, 14132770, 28265540]

約数ペア:

[(1, 28265540), (2, 14132770), (4, 7066385), (5, 5653108), (10, 2826554), (19, 1487660), (20, 1413277), (38, 743830), (76, 371915), (95, 297532), (190, 148766), (380, 74383)]