28025380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73751}}^1$

素因数の和:73779

約数の個数: 24

約数和(自身を含む): 61951680

約数和(自身を除く): 33926300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 73751, 147502, 295004, 368755, 737510, 1401269, 1475020, 2802538, 5605076, 7006345, 14012690, 28025380]

約数ペア:

[(1, 28025380), (2, 14012690), (4, 7006345), (5, 5605076), (10, 2802538), (19, 1475020), (20, 1401269), (38, 737510), (76, 368755), (95, 295004), (190, 147502), (380, 73751)]